7th Grade

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Practial problems involving volume

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Opposites add to zero

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Distance as absolute value on a number line

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Why Is p + q Always |p| Units Away from q?

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Subtraction as adding the opposite

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Subtract Negative Number

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Comparing Populations

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Uniform Probability Models

How Do You Make a Uniform Probability Model?

Discover how to make a uniform probability model by assigning equal probabilities to outcomes that are equally likely.

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Done

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Compare Model to Data

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Build a Probability Model

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Plane Sections of Pyramids

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Adding negatives with number line

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Subtracting negatives with number line

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Rules for adding and subtracting negative numbers

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Chip Model For Negative Numbers

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Adding negatives with chips

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Subtracting negatives with chips

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Distance between integers

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