Khan Academy ExercisesNew exercises from Khan Academy2020-10-22T17:16:13.000000https://www.khanacademy.org/feed/exercisesKhan Academyhttp://khanacademy.orginfo@khanacademy.orgModeling with multiple variables2020-10-22T17:16:13.000000multivar-modeling
Create equations in two or more variables to represent relationships between quantities.
Tomer Galhttps://www.khanacademy.org/exercise/multivar-modelingArea of rectangles with partial arrays2020-10-22T15:52:19.000000area-of-rectangles-with-partial-arrays
Find the area of rectangles when not all square units are shown.
Lindsayhttps://www.khanacademy.org/exercise/area-of-rectangles-with-partial-arraysDisruptions to ecosystems2020-10-22T15:42:57.000000disruptions-to-ecosystems
Test your knowledge of disruptions to ecosystems!
https://www.khanacademy.org/exercise/disruptions-to-ecosystemsBiodiversity2020-10-22T15:41:23.000000biodiversity-ap
Test your knowledge of biodiversity!
https://www.khanacademy.org/exercise/biodiversity-apCommunity ecology2020-10-22T15:40:18.000000ap-community-ecology
Test your knowledge of community ecology!
https://www.khanacademy.org/exercise/ap-community-ecologyEnergy flow through ecosystems2020-10-22T15:38:42.000000energy-flow-through-ecosystems
Test your knowledge of energy flow through ecosystems!
https://www.khanacademy.org/exercise/energy-flow-through-ecosystemsResponses to the environment2020-10-22T15:35:35.000000responses-to-the-environment
Test your knowledge of responses to the environment!
https://www.khanacademy.org/exercise/responses-to-the-environmentDeviation from ideal gas law2020-10-22T00:46:47.000000deviation-from-ideal-gas-law
Check your understanding of how real gases deviate from ideal behavior in this set of free practice questions designed for AP Chemistry students.
https://www.khanacademy.org/exercise/deviation-from-ideal-gas-lawKinetic molecular theory2020-10-22T00:45:32.000000kinetic-molecular-theory
Check your understanding of the kinetic molecular theory in this set of free practice questions designed for AP Chemistry students.
https://www.khanacademy.org/exercise/kinetic-molecular-theoryGeometric distributions2020-10-20T17:21:12.000000geometric-distributions
Practice calculating the mean and standard deviation of geometric distributions.
https://www.khanacademy.org/exercise/geometric-distributionsSampling methods2020-10-20T17:20:25.000000sampling-methods
Practice identifying which sampling method was used in statistical studies, and why it might make sense to use one sampling method over another.
Charlotte Auenhttps://www.khanacademy.org/exercise/sampling-methodsUnderstanding decomposing figures to find volume2020-10-20T17:19:30.000000understanding-decomposing-figures-to-find-volumeLindsayhttps://www.khanacademy.org/exercise/understanding-decomposing-figures-to-find-volumeSymbols practice: The gradient2020-10-20T17:19:06.000000symbols-practice--the-gradient
Decipher vector, scalar, or nonsense from an expression involving the gradient, divergence, and curl.
lakernhttps://www.khanacademy.org/exercise/symbols-practice--the-gradientShape of sampling distributions for differences in sample proportions2020-10-20T17:18:33.000000conditions-diff-sample-proportions
Practice using the large count condition to determine when sampling distributions for differences in sample proportions are approximately normal.
https://www.khanacademy.org/exercise/conditions-diff-sample-proportionsShape of sampling distributions for differences in sample means2020-10-20T17:17:53.000000conditions-distributions-diff-sample-means
Practice using the Central limit theorem to determine when sampling distributions for differences in sample means are approximately normal.
https://www.khanacademy.org/exercise/conditions-distributions-diff-sample-meansProve theorems using similarity2020-10-20T15:09:30.000000prove-length-theorems-using-similarity
Using similarity, we can prove the Pythagorean theorem and theorems about segments when a line intersects 2 sides of a triangle.
https://www.khanacademy.org/exercise/prove-length-theorems-using-similarityExtend geometric sequences: negatives & fractions2020-10-20T09:41:05.000000extend-geometric-sequences-negatives-fractions
Find the next term in a geometric sequence. The problems in this quiz involve relatively difficult calculations.
Tomer Galhttps://www.khanacademy.org/exercise/extend-geometric-sequences-negatives-fractionsPopulation ecology2020-10-20T05:38:23.000000AP-biology-population-ecology
Test your knowledge of population ecology!
Megan Cohnhttps://www.khanacademy.org/exercise/AP-biology-population-ecologyMean and standard deviation of difference of sample proportions2020-10-19T21:32:32.000000sampling-distribution-diff-proportions
Practice calculating the mean and standard deviation of sampling distributions for differences in sample proportions, and use the large count condition to determine when these sampling distributions are approximately normal.
https://www.khanacademy.org/exercise/sampling-distribution-diff-proportionsGraph quadratics in standard form2020-10-19T21:27:27.000000graphing_parabolas_0.5
Graph quadratic functions given in the standard form ax²+bx+c. For example, graph y=5x²-20x+15.
Sid Patelhttps://www.khanacademy.org/exercise/graphing_parabolas_0.5