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KhanAcademyExercises

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New exercises from Khan Academy 2020-09-17T17:04:09.000000
Updated: 25 min 13 sec ago

Converting analog data to binary

Wed, 2020-06-03 18:33
Check your understanding of how computers use sampling to convert analog data to binary data  in this set of free practice questions designed for AP Computer Science Principles students.

Quiz: Stars and Elements

Wed, 2020-06-03 14:29
Quiz 3.2

Quiz: My Big History

Wed, 2020-06-03 14:24
Quiz 1.4

Quiz: Claim Testing

Wed, 2020-06-03 14:24
Quiz 1.3

Quiz: Welcome to the Big History

Wed, 2020-06-03 14:22
Quiz 1.0

Phylogeny

Tue, 2020-06-02 22:58
Test your knowledge of phylogeny!

Subtract on a number line

Tue, 2020-06-02 19:04
Practice subtracting numbers like 784 and 391 using a number line. All numbers are less than 1000.

Corrosion: Identify the compounds

Tue, 2020-06-02 07:27
Let's practice to identify the chemical compounds of corrosion

Context: Judaism and Christianity

Mon, 2020-06-01 23:06
Answer passage-based and map-based questions about Christianity in the Roman Empire.

Dilations and properties

Mon, 2020-06-01 22:58
Given a shape and the dilation that is performed on it, determine which properties the shape and its image share.

Kiki Smith Quiz

Mon, 2020-06-01 22:50
Test your knowledge on this object.

Determine if a function is invertible

Mon, 2020-06-01 22:29
Given the table of values of a function, determine whether it is invertible or not.

Copyright, licenses, and digital media

Mon, 2020-06-01 21:46
Check your understand of copyright, DMCA, Creative Commons and open source licenses in this set of free practice questions designed for AP Computer Science Principles students.

Quadratics by taking square roots (intro)

Mon, 2020-06-01 19:15
Solve simple quadratic equations by taking the square root of both sides of the equation.

Quadratics by factoring

Mon, 2020-06-01 19:12
Solve quadratic equations of the form ax^2+bx+c=0 that can be rewritten according to their linear factors.

Quadratics by factoring (intro)

Mon, 2020-06-01 19:07
Solve quadratic equations of the form x^2+bx+c=0 that can be rewritten according to their linear factors.

Quadratics by taking square roots

Mon, 2020-06-01 19:04
Solve quadratic equations of the form (x+a)²-b=0. These can be solved using square roots. For example, solve (x-5)²-4=0.

Zero product property

Mon, 2020-06-01 18:21
Use the zero product property to solve quadratic equations. For example, solve (x-5)(x+2)=0.

Convert units multi-step word problems (US customary)

Mon, 2020-06-01 14:12
Solve word problems that involve converting between US customary measures of distance, volume, and mass.

Impact of crowdsourcing innovations

Mon, 2020-06-01 13:27
Check your understanding of the benefits and risks of crowdsourcing innovations in this set of free practice questions designed for AP Computer Science Principles students.

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