Video

Equivalent expressions with negative numbers (Full video)

Khan Academy
Supporting grades: 7

Description: Equivalent expressions with negative numbers. What I hope to do in this video is several examples from the Khan Academy exercise on negative number addition and subtraction equivalent expressions. This is just to really make sure that we fully digested how we can compute with negative and positive numbers, and also the properties of arithmetic that we can apply when we compute with them. All right, they start with the expression, they give us the steps.

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