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<?xml-stylesheet type="text/xsl" media="screen" href="/~d/styles/atom10full.xsl"?><?xml-stylesheet type="text/css" media="screen" href="http://feeds.feedburner.com/~d/styles/itemcontent.css"?><feed xmlns="http://www.w3.org/2005/Atom" xmlns:openSearch="http://a9.com/-/spec/opensearch/1.1/" xmlns:blogger="http://schemas.google.com/blogger/2008" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:feedburner="http://rssnamespace.org/feedburner/ext/1.0" gd:etag="W/&quot;D08GRn09fCp7ImA9WhVSGEo.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996</id><updated>2012-03-15T22:30:27.364-07:00</updated><category term="Toán Ứng Dụng" /><category term="Giáo Án Điện Tử" /><category term="Giáo Án Môn Toán" /><category term="Phép Chia" /><category term="Thi Toán Olympic Quốc Gia" /><category term="Phép Nhân" /><category term="Phép Cộng" /><category term="Đại Số" /><category term="Games Toán Học" /><category term="Từ Điển Toán Học" /><category term="Học Toán" /><category term="ViOlympic Giải Toán Trên Mạng" /><category term="Phần Mềm Toán Học" /><title>Học Toán Lớp 1 2 3 4 5 6 7 8 9 10 11 12</title><subtitle type="html">học toán,toán lớp 1,toán lớp 2,toán lớp 3,toán lớp 4,toán lớp 5, toán lớp 6,toán lớp 7,toán lớp 8,toán lớp 9,toán lớp 10,toán lớp 11,toán lớp 12</subtitle><link rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml" href="http://www.hoctoan.org/feeds/posts/default" /><link rel="alternate" type="text/html" href="http://www.hoctoan.org/" /><link rel="next" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default?start-index=26&amp;max-results=25&amp;redirect=false&amp;v=2" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><generator version="7.00" uri="http://www.blogger.com">Blogger</generator><openSearch:totalResults>80</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="self" type="application/atom+xml" href="http://feeds.feedburner.com/hoctoan" /><feedburner:info uri="hoctoan" /><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="hub" href="http://pubsubhubbub.appspot.com/" /><entry gd:etag="W/&quot;A0YDQ3w5eCp7ImA9WhZTFU0.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-1631623610581882137</id><published>2011-03-18T21:32:00.001-07:00</published><updated>2011-03-18T21:32:52.220-07:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-03-18T21:32:52.220-07:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="ViOlympic Giải Toán Trên Mạng" /><title>ViOlympic books</title><summary type="html">After days of waiting, the set of  ViOlympic books volume No.1 ("Tự Luyện ViOlympic Toán 1 - Tập 1" in Vietnamese language) to instruct schoolchildren from the first to  ninth grade to practice mathematical problems for the first semester  and challenge themselves on the www.violympic.vn at the first launched eighteen grounds of competition.“Any introduction of a new product  originates from the &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/wjIkVJZTuYs" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1631623610581882137?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1631623610581882137?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/wjIkVJZTuYs/violympic-books.html" title="ViOlympic books" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://lh3.googleusercontent.com/-qirmKwtszGQ/TYQOQNTOTzI/AAAAAAAACMw/594wsFE6F8c/s72-c/tu-luyen-violympic-toan-hoc-tu-sach-violympic.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/03/violympic-books.html</feedburner:origLink></entry><entry gd:etag="W/&quot;D0UERX87fCp7ImA9Wx9aGUU.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-5114958342977809795</id><published>2011-03-12T18:57:00.000-08:00</published><updated>2011-03-12T19:00:04.104-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-03-12T19:00:04.104-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Học Toán" /><title>Học Toán Lớp 123456789 - Học Toán Trên Mạng - ViOlympic Giải Toán Trên Mạng Lớp 123456789</title><summary type="html">ViOlympic Giải Toán Trên Mạng Lớp 123456789 - Học Toán Trên Mạng - Học Toán Lớp 123456789

ViOlympic Toán Học Lớp 123456789: Tự Luyện ViOlympic Toán Học (Tủ Sách ViOlympic)
Download ViOlympic 1.7 full -Tải ViOlympic Về Máy - Tải Violympic 1.7   Miễn Phí - ViOlympic Offline Phần mềm thi Giải toán ViOlympic không cần   kết nối Internet http://bit.ly/VIOLYMPIC

Dạy trẻ Phương pháp Tính Phép chia &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/U_VL22_IX5o" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/5114958342977809795?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/5114958342977809795?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/U_VL22_IX5o/hoc-toan-lop-123456789.html" title="Học Toán Lớp 123456789 - Học Toán Trên Mạng - ViOlympic Giải Toán Trên Mạng Lớp 123456789" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://lh4.googleusercontent.com/--vav8cQ3JtM/TWtg1wJdP3I/AAAAAAAABp0/vHkpJFvM71g/s72-c/violympic+gi%25E1%25BA%25A3i+to%25C3%25A1n+l%25E1%25BB%259Bp+2.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/03/hoc-toan-lop-123456789.html</feedburner:origLink></entry><entry gd:etag="W/&quot;D04BQH8yfyp7ImA9Wx9aGEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-5233974094147089370</id><published>2011-03-11T18:06:00.000-08:00</published><updated>2011-03-11T18:12:31.197-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-03-11T18:12:31.197-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="ViOlympic Giải Toán Trên Mạng" /><title>ViOlympic Thi Giải Toán Internet Cấp Huyện Vòng 13 tháng 03, 2011</title><summary type="html">ViOlympic Giải Toán Trên Mạng: http://www.ViOlympic.org 
ViOlympic Tiếng Anh Trên Mạng: http://www.ViolympicTiengAnh.com
Kì thi cấp quận huyện đang đến gần, mời các đơn vị tham  khảo các thông tin trên mục "Những điều cần biết". Đồng thời BTC cấp  toàn quốc xin lưu ý một số vấn đề sau: 
1.Lựa chọn thời gian thi:
  
Kì thi cấp Quận/ Huyện bắt đầu từ 10/3/2011 đến ngày 5/4/2011.
 
Trong  khoảng &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/ybdznYY1iH8" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/5233974094147089370?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/5233974094147089370?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/ybdznYY1iH8/violympic-giai-toan-internet.html" title="ViOlympic Thi Giải Toán Internet Cấp Huyện Vòng 13 tháng 03, 2011" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://lh4.googleusercontent.com/-W34w2pKCbow/TXrVi0YWbII/AAAAAAAAB9s/uH3vBgL9JX4/s72-c/violympic+giai+toan+tren+mang+lop+123456789.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/03/violympic-giai-toan-internet.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DEQNQ3c6eSp7ImA9Wx9aGE4.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-8516716620021824269</id><published>2011-03-11T01:39:00.001-08:00</published><updated>2011-03-11T01:39:52.911-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-03-11T01:39:52.911-08:00</app:edited><title>ViOlympic Toán Học Lớp 123456789: Tự Luyện ViOlympic Toán Học</title><summary type="html">ViOlympic Toán Học Lớp 123456789: Tự Luyện ViOlympic Toán Học (Tủ Sách ViOlympic) - ViOlympic Giải Toán Trên Mạng.


Tự Luyện ViOlympic Toán Học Lớp 1

Tự Luyện ViOlympic Toán Học Lớp 2

Tự Luyện ViOlympic Toán Học Lớp 3

Tự Luyện ViOlympic Toán Học Lớp 4

Tự Luyện ViOlympic Toán Học Lớp 2\5

Tự Luyện ViOlympic Toán Học Lớp 6

Tự Luyện ViOlympic Toán Học Lớp 7

Tự Luyện ViOlympic Toán Học Lớp 8

&lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/29QAhmK86rE" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/8516716620021824269?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/8516716620021824269?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/29QAhmK86rE/giai-toan-tren-mang-violympic.html" title="ViOlympic Toán Học Lớp 123456789: Tự Luyện ViOlympic Toán Học" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://lh6.googleusercontent.com/-DCOX7H12_RI/TWtg1e1BTBI/AAAAAAAABpw/beyDSUvddbk/s72-c/violympic+gi%25E1%25BA%25A3i+to%25C3%25A1n+l%25E1%25BB%259Bp+1.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/03/giai-toan-tren-mang-violympic.html</feedburner:origLink></entry><entry gd:etag="W/&quot;A0cNSX85cCp7ImA9Wx9aGEw.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-1945680566728750725</id><published>2011-03-10T20:51:00.001-08:00</published><updated>2011-03-10T20:51:38.128-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-03-10T20:51:38.128-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phần Mềm Toán Học" /><title>Download ViOlympic offline 1.7 Full  Giải Toán Trên Mạng</title><summary type="html">Download CD ViOlympic offline Giải Toán Trên Mạng

Đây là đĩa CD Giải Toán Qua Internet Violympic  cho họ sinh từ lớp 1 đến lớp 9. Sau khi cài vào máy thầy cô có thể cho  học sinh tha hồ mà luyện tập mà không cần kết nối mạng (nghĩa là chỉ cần  có máy vi tính là đủ). Điều này rất thuận lợi và phù hợp cho những nơi  không có mạng hoặc mạng chậm và không ổn định.


Download ViOlympic offline | Phần&lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/Rs7bmg-2tjI" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1945680566728750725?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1945680566728750725?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/Rs7bmg-2tjI/download-violympic-offline-17-full.html" title="Download ViOlympic offline 1.7 Full  Giải Toán Trên Mạng" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://lh6.googleusercontent.com/-b5TCNw6AQqQ/TXl_FTh32fI/AAAAAAAAB7g/6xqocumYoWk/s72-c/download-violympic-offline-1.7-full.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/03/download-violympic-offline-17-full.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3kycSp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-4416421850640433032</id><published>2011-01-19T18:42:00.000-08:00</published><updated>2011-01-19T19:38:06.799-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.799-08:00</app:edited><title>How Do I Create Free Seek and Find Word Puzzles?</title><summary type="html">You can create your own word puzzles for free.Things You'll Need: PrinterPuzzle solving is an effective method to reinforce educational concepts. Working on puzzles allows students to have fun while reviewing ideas that they have learned. Seek and find word puzzles, also known as word search puzzles, consist of a grid of letters in which key words are hidden. You don't have to spend money on seek&lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/UrEn6l4K9Kw" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/4416421850640433032?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/4416421850640433032?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/UrEn6l4K9Kw/how-do-i-create-free-seek-and-find-word.html" title="How Do I Create Free Seek and Find Word Puzzles?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://2.bp.blogspot.com/_J56MO7usZSU/TTeg06nj4lI/AAAAAAAABaU/edWQ_zCaW28/s72-c/do-create-seek-word-puzzles.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-do-i-create-free-seek-and-find-word.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3Y5eSp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-3843007844199861781</id><published>2011-01-19T18:40:00.000-08:00</published><updated>2011-01-19T19:38:06.821-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.821-08:00</app:edited><title>How to Solve Operations Puzzles?</title><summary type="html">Operations puzzles are fun and a wonderful way to improve your math skills. They are fairly easy to solve and can become quite addictive. Basic puzzles use the mathematical operations subtraction, addition, multiplication, and division. The more you do, the better your math skills become. What better way to learn basic math than by solving fun puzzles!Instructions1. Write down the operations &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/VcA6vlZ-L_4" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/3843007844199861781?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/3843007844199861781?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/VcA6vlZ-L_4/how-to-solve-operations-puzzles.html" title="How to Solve Operations Puzzles?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://2.bp.blogspot.com/_J56MO7usZSU/TTegWKUPt0I/AAAAAAAABaQ/lxBKFmIxTs0/s72-c/Order_of_Operations.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-solve-operations-puzzles.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3Y4fCp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-2170080239411001806</id><published>2011-01-19T18:04:00.000-08:00</published><updated>2011-01-19T19:38:06.834-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.834-08:00</app:edited><title>How to Draw a Crossword Puzzle</title><summary type="html">Get a thrill from drawing a crossword puzzle---or go crazy trying to do it.Addiction comes in many forms: alcohol, drugs, crossword puzzles. You know you are addicted when the first thing you do every morning is pull out your paper and begin working on the crossword puzzle. However, unlike alcohol and drugs, word puzzles are healthy addictions that strengthen your mind. According to Discovery &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/iGTqE_G6x1A" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/2170080239411001806?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/2170080239411001806?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/iGTqE_G6x1A/how-to-draw-crossword-puzzle.html" title="How to Draw a Crossword Puzzle" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://1.bp.blogspot.com/_J56MO7usZSU/TTeXvc-YE2I/AAAAAAAABaE/b3tkaJva3ow/s72-c/How+to+Draw+a+Crossword+Puzzle.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-draw-crossword-puzzle.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3Y-eCp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-4959561179601393658</id><published>2011-01-19T17:51:00.000-08:00</published><updated>2011-01-19T19:38:06.850-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.850-08:00</app:edited><title>How Do I Beat the Math Puzzle in Tombscape?</title><summary type="html">How Do I Beat the Math Puzzle in Tombscape? You will not need a calculator to beat the math puzzle in "Tombscape."In "Tombscape," a point-and-click flash adventure game, you travel  through a treacherous tomb and collect treasure while fending off  deadly spiders and avoiding traps. "Tombscape" includes several puzzles  that must be solved before you can progress to the next adventure. About  a &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/82Qq8f88A-0" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/4959561179601393658?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/4959561179601393658?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/82Qq8f88A-0/how-do-i-beat-math-puzzle-in-tombscape.html" title="How Do I Beat the Math Puzzle in Tombscape?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://2.bp.blogspot.com/_J56MO7usZSU/TTeVItGRUDI/AAAAAAAABaA/0xkIjUoaEqs/s72-c/how-i-do-beat-math-puzzle-tombscape-ou+will+not+need+a+calculator+to+beat+the+math+puzzle+in+Tombscape.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-do-i-beat-math-puzzle-in-tombscape.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkAERX4yeCp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-7320196971943777556</id><published>2011-01-19T17:29:00.000-08:00</published><updated>2011-01-19T19:38:24.090-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:24.090-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Games Toán Học" /><title>Free Printable Sudoku Puzzles - Play Free Sudoku Online</title><summary type="html">Try to beat the clock with these free Sudoku puzzles of varying  difficulty, from easy to extra-challenging. Play these Sudoku online or  print and solve on paper.
Free Sudoku Puzzles to PrintAddicted  to Sudoku puzzles? About Puzzles has hundreds of free Sudoku Puzzles  for every range of expertise. These Sudoku puzzles range in difficulty  from extra easy to extra challenging. No need to be a &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/DdfiMAb07Ao" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/7320196971943777556?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/7320196971943777556?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/DdfiMAb07Ao/free-printable-sudoku-puzzles-play-free.html" title="Free Printable Sudoku Puzzles - Play Free Sudoku Online" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://3.bp.blogspot.com/_J56MO7usZSU/TTeQEUQR4KI/AAAAAAAABZ8/kt5sIVWRtOg/s72-c/Play+Free+Sudoku+Online-dosudokueg.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/free-printable-sudoku-puzzles-play-free.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkAERnc5fyp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-5325380268945797269</id><published>2011-01-19T17:28:00.000-08:00</published><updated>2011-01-19T19:38:27.927-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:27.927-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Games Toán Học" /><title>Math Puzzles and Games</title><summary type="html">Free online math games for math lovers: mathematical  puzzles, prime numbers, cross sums, memes, Sudoku, Kakoru, logic  puzzles, brainteasers and more. Good for students trying to improve  their math skills.Math Games from About Mathematics Interactive math games, math brain teasers and math puzzles from your Mathematics Guide at About.The Strange Case of 142,857142,857  is just a number but it &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/Lcu1sUt1nBU" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/5325380268945797269?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/5325380268945797269?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/Lcu1sUt1nBU/math-puzzles-and-games.html" title="Math Puzzles and Games" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://1.bp.blogspot.com/_J56MO7usZSU/TTePgEcA5cI/AAAAAAAABZ4/OMYipug7VOQ/s72-c/Math+Puzzles+and+Games-HowardGarns.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/math-puzzles-and-games.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3c7cSp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-3012519105053404501</id><published>2011-01-19T02:15:00.000-08:00</published><updated>2011-01-19T19:38:06.909-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.909-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to explain long division to children?</title><summary type="html">Master Long Division Practice Workbook: Improve Your Math Fluency Series (Volume 8)Long DivisionThe Long DivisionMaster Long Division Practice Workbook: Improve Your Math Fluency Series (Volume 8)Basic Math and Pre-Algebra Workbook For DummiesDivision, Ages 7-12 (Workbook w/Music CD)How to explain long division to children?Solution for 531219 ÷ 579 - with remainderStep 1Long  division works from &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/4pPJUgphXjw" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/3012519105053404501?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/3012519105053404501?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/4pPJUgphXjw/how-to-explain-long-division-to.html" title="How to explain long division to children?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://3.bp.blogspot.com/_J56MO7usZSU/TQhyQO4SoSI/AAAAAAAAAqo/xRSaNXQktlk/s72-c/how-to-teach-long-division-step-by-step.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-explain-long-division-to.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3c-eCp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-1580193673323179590</id><published>2011-01-18T23:02:00.001-08:00</published><updated>2011-01-19T19:38:06.950-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.950-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to do Long division with decimals in divisor?</title><summary type="html">Another type of division you’ll encounter is division with decimals in both the             divisor and the dividend. It might look something like this:                  In this situation, you move the decimal place the number of spaces in the divisor             until the decimal is at the end of the number; you move the decimal the same number             of spaces in the dividend: this does &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/ZsnZrSuKrPo" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1580193673323179590?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1580193673323179590?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/ZsnZrSuKrPo/how-to-do-long-division-with-decimals.html" title="How to do Long division with decimals in divisor?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://1.bp.blogspot.com/_J56MO7usZSU/TSqGFY7GRAI/AAAAAAAAA_Y/KZUP6aMOZc0/s72-c/Long+Division+with+Decimals-ld28.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-do-long-division-with-decimals.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3c4eyp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-1112612505897040727</id><published>2011-01-18T23:02:00.000-08:00</published><updated>2011-01-19T19:38:06.933-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.933-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>Fun with 2-digit divisors - Long division examples</title><summary type="html">How to Divide Double DigitsDividing double digits is very similar to long division with a  single-digit divisor, but it does require some extra multiplication and  thinking.Example: 236 &amp;amp; divide; 28 becomes  Guess how many times the divisor (the 28, in  our example) can go into the dividend (the 236, in our example), then  write down that number.      3Multiply your guess and the divisor (which &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/nNsrVTHxKYQ" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1112612505897040727?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1112612505897040727?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/nNsrVTHxKYQ/fun-with-2-digit-divisors-long-division.html" title="Fun with 2-digit divisors - Long division examples" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://2.bp.blogspot.com/_J56MO7usZSU/TSUfGOR4LYI/AAAAAAAAA98/56PhVavCAyU/s72-c/longdivision.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/fun-with-2-digit-divisors-long-division.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3c9cSp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-5456334348006501359</id><published>2011-01-18T23:01:00.000-08:00</published><updated>2011-01-19T19:38:06.969-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.969-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to do double digit long division?</title><summary type="html">How to divide a four digit number by a two digit number (e.g. 4138 ÷ 17):  Place the divisor before the division bracket and place the dividend (4138) under it.       17)4138Examine the first digit of the dividend(4).  It is smaller than 17 so can't be  divided by 17 to produce a whole number.  Next take the first two digits of the  dividend (41) and determine how many 17's it contains.  In this &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/M_IcFFcUfFw" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/5456334348006501359?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/5456334348006501359?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/M_IcFFcUfFw/how-to-do-double-digit-long-division.html" title="How to do double digit long division?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-do-double-digit-long-division.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMR3czfyp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-123545474091823220</id><published>2011-01-18T22:59:00.000-08:00</published><updated>2011-01-19T19:38:06.987-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:06.987-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to do Long division tricks for kids?</title><summary type="html">"In arithmetic, long division is a standard procedure suitable for dividing simple or complex multidigit numbers. It breaks down a division problem into a series of easier steps. As in all division problems, one number, called the dividend, is divided by another, called the divisor, producing a result called the quotient. It enables computations involving arbitrarily large numbers to be performed&lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/ehRIJibjOKo" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/123545474091823220?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/123545474091823220?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/ehRIJibjOKo/how-to-do-long-division-tricks-for-kids.html" title="How to do Long division tricks for kids?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://3.bp.blogspot.com/_J56MO7usZSU/TQhyQO4SoSI/AAAAAAAAAqo/xRSaNXQktlk/s72-c/how-to-teach-long-division-step-by-step.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-do-long-division-tricks-for-kids.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRn46eCp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-65977293402055187</id><published>2011-01-18T22:58:00.000-08:00</published><updated>2011-01-19T19:38:07.010-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.010-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to explain long division to children?</title><summary type="html"> Master Long Division Practice Workbook: Improve Your Math Fluency Series (Volume 8)Basic Math and Pre-Algebra Workbook For Dummies Division, Ages 7-12 (Workbook w/Music CD)  Solution for 768978 ÷ 358 - with remainderStep 1Long  division works from left to right. Since 358 will not go into 7, a grey  0 has been placed over the 7 and we combine the first two digits to  make 76. In this case, 76 is&lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/xc_MOLVn3Wk" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/65977293402055187?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/65977293402055187?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/xc_MOLVn3Wk/how-to-explain-long-division-to_18.html" title="How to explain long division to children?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://3.bp.blogspot.com/_J56MO7usZSU/TQhyQO4SoSI/AAAAAAAAAqo/xRSaNXQktlk/s72-c/how-to-teach-long-division-step-by-step.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-explain-long-division-to_18.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRn49eSp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-9110382380988808575</id><published>2011-01-18T22:55:00.001-08:00</published><updated>2011-01-19T19:38:07.061-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.061-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to teach long division with remainders?</title><summary type="html"> Master Long Division Practice Workbook: Improve Your Math Fluency Series (Volume 8)Basic Math and Pre-Algebra Workbook For Dummies Division, Ages 7-12 (Workbook w/Music CD)  Solution for 76999 ÷ 123 - with remainderStep 1Long  division works from left to right. Since 123 will not go into 7, a grey  0 has been placed over the 7 and we combine the first two digits to  make 76. In this case, 76 is &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/yEVGEuEDisI" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/9110382380988808575?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/9110382380988808575?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/yEVGEuEDisI/how-to-teach-long-division-with_18.html" title="How to teach long division with remainders?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://3.bp.blogspot.com/_J56MO7usZSU/TQhyQO4SoSI/AAAAAAAAAqo/xRSaNXQktlk/s72-c/how-to-teach-long-division-step-by-step.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-teach-long-division-with_18.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRn44fSp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-8017687992553833645</id><published>2011-01-18T22:55:00.000-08:00</published><updated>2011-01-19T19:38:07.035-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.035-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to do long division of large numbers?</title><summary type="html">How to divide larger numbers and do long division?This is video for how to divide large numbers by doing long division with easy methods. This video describes that dividing the "Dividend" with "Divisor" to get the "Quotient" and "Remainder" if they exist. In the given example first "25" taken as the Dividend and "5" is will be the Divisor. Divide this value the multiplication is needed. For above&lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/EEg-x-E_9dk" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/8017687992553833645?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/8017687992553833645?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/EEg-x-E_9dk/how-to-do-long-division-of-large.html" title="How to do long division of large numbers?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://4.bp.blogspot.com/_J56MO7usZSU/TQhtWRqbfqI/AAAAAAAAAqk/6hKZ9sm5MX0/s72-c/LongDivisionAnimated.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-do-long-division-of-large.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRn4yeyp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-6765850567516131743</id><published>2011-01-18T22:52:00.000-08:00</published><updated>2011-01-19T19:38:07.093-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.093-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to do long division of polynomials?</title><summary type="html">Divide          3x3 – 5x2 + 10x – 3           by  3x + 1 This division did not come out even. What am I          supposed to do with the remainder? Think back to when you did long division with          plain numbers. Sometimes there would be a remainder; for instance, if you divide 132          by 5: ...there is a remainder of 2.          Remember how you handled that? You made a fraction, &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/V4MaLwOvpIE" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/6765850567516131743?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/6765850567516131743?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/V4MaLwOvpIE/how-to-do-long-division-of-polynomials.html" title="How to do long division of polynomials?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://4.bp.blogspot.com/_J56MO7usZSU/TQhrJ7ZYkAI/AAAAAAAAAqY/TmQ6aRHnSkk/s72-c/divani03.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-do-long-division-of-polynomials.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRn84cCp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-1896051156295280575</id><published>2011-01-18T22:51:00.001-08:00</published><updated>2011-01-19T19:38:07.138-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.138-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>How to do long division without a calculator?</title><summary type="html">How to teach long division without a calculator?In  the olden days, knowing how to divide large numbers was important.  Basic long division is still good to know, so the following examples  will show you how to divide a one-digit divisor into another number, and  then how to find a remainder.Recall that the divisor in a division problem is the number  that you’re dividing by. When you’re doing &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/8ClTzlDNGAk" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1896051156295280575?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1896051156295280575?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/8ClTzlDNGAk/how-to-do-long-division-without.html" title="How to do long division without a calculator?" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://1.bp.blogspot.com/_J56MO7usZSU/TQhpN3P6rII/AAAAAAAAApg/vMXf8aef6Vk/s72-c/216886.png" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/how-to-do-long-division-without.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRn86fCp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-1704021373020614205</id><published>2011-01-18T22:51:00.000-08:00</published><updated>2011-01-19T19:38:07.114-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.114-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>Practice Long division worksheets</title><summary type="html">This section           is a brief overview of math division. It covers the concept of sharing           in equal amounts, the basic division           operation and long division. The sections most relevant to you will           depend on your child’s level. Use the information and resources to help           review and practice what your child’s teacher will have covered           in the &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/Y4RC-bXIgk4" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1704021373020614205?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1704021373020614205?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/Y4RC-bXIgk4/practice-long-division-worksheets.html" title="Practice Long division worksheets" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://3.bp.blogspot.com/_J56MO7usZSU/TOHiqcrt8zI/AAAAAAAAAbQ/_YIg7aIJWsc/s72-c/division_symbols.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/practice-long-division-worksheets.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRn8yeyp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-7206625435600695148</id><published>2011-01-18T22:49:00.001-08:00</published><updated>2011-01-19T19:38:07.193-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.193-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>Teaching steps for long division with large numbers</title><summary type="html">Division as repeated subtraction - introduction to long divisionMultiplication is repeated addition.  Division is the opposite of multiplication.  You can think of division as repeated subtraction.   Example.  Bag 771 apples so there are 3 apples in one bag.  How many bags are needed?You can start by putting 3 apples to one bag, which leaves you 768 apples. Then for each bag you subtract 3 apples&lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/tHiKqhspGkM" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/7206625435600695148?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/7206625435600695148?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/tHiKqhspGkM/teaching-steps-for-long-division-with.html" title="Teaching steps for long division with large numbers" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://1.bp.blogspot.com/_O4O44WfWqoU/Sa2o7MMtDbI/AAAAAAAAB_c/9aTruHxeYqk/s72-c/long-division-01.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/teaching-steps-for-long-division-with.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRn8-cCp7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-1279605387156014375</id><published>2011-01-18T22:49:00.000-08:00</published><updated>2011-01-19T19:38:07.158-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.158-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>Teaching Long Division step by step</title><summary type="html">Algebraic long division is very similar to traditional long division (which you may have come across earlier in your education). The easiest way to explain it is to work through an example.ExampleNote Bene:If the polynomial/ expression that you are dividing has a term in x missing, add such a term by placing a zero in front of it. For example, if you are dividing x³ + x - 4 by something, rewrite &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/E9VXA9BvM6c" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1279605387156014375?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/1279605387156014375?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/E9VXA9BvM6c/teaching-long-division-step-by-step.html" title="Teaching Long Division step by step" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://2.bp.blogspot.com/_J56MO7usZSU/TNUUR6vFUsI/AAAAAAAAAWE/TJKYFt4_6KQ/s72-c/Teaching+long+division.gif" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/teaching-long-division-step-by-step.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkEMRnw5eip7ImA9Wx9WFEQ.&quot;"><id>tag:blogger.com,1999:blog-1734570788806328996.post-4260391053560432810</id><published>2011-01-18T22:48:00.000-08:00</published><updated>2011-01-19T19:38:07.222-08:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-01-19T19:38:07.222-08:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="Phép Chia" /><title>Understanding long division as repeated subtraction</title><summary type="html">Understanding long division as repeated subtractionMany   children find the traditional long division method far to complex to   understand. Below are two different ways for you to help your children   understand long division. The first method uses repeated subtraction and   the second is a grid method. Question: 765÷12 12x10=120    765-120=645 12x10-120   645-120=525 12x10=120   525-120=405 &lt;img src="http://feeds.feedburner.com/~r/hoctoan/~4/3I9E3mrjCO8" height="1" width="1"/&gt;</summary><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/4260391053560432810?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/1734570788806328996/posts/default/4260391053560432810?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/hoctoan/~3/3I9E3mrjCO8/understanding-long-division-as-repeated.html" title="Understanding long division as repeated subtraction" /><author><name>Nguyen Thi Lan Phuong</name><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="32" height="24" src="http://4.bp.blogspot.com/-Z7Q2TRqDQeE/TYQc7WfoLHI/AAAAAAAACNM/Yu0ytTDlutw/s220/phuongntl.jpg" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://4.bp.blogspot.com/_J56MO7usZSU/TL_DaHFS5OI/AAAAAAAAAT0/PtVsC8L2bac/s72-c/How-to-Do-Long-Division.jpg" height="72" width="72" /><feedburner:origLink>http://www.hoctoan.org/2011/01/understanding-long-division-as-repeated.html</feedburner:origLink></entry></feed>
