Corresponding points and sides of scaled shapes

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Change in angular velocity when velocity doubles

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Linear velocity comparability from radius and angular velocity

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Radius from velocity and angular velocity

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Angular displacement and angular velocity definitions.

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Relating angular displacement to distance travelled or arc length

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Sal visits Sesame Street to teach Zoe and Elmo about the power of a growth mindset!

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Dilations and shape properties

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Rocco T. Mole wishing you a Happy Mole Day from all of us at Khan Academy! Learn more about moles

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Subtracting multi digit numbers with regrouping

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How mastery learning and personalization address challenges that surface with traditional non-mastery learning.

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Estimate multiplying multi digit numbers

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Approximating multi digit division

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