Number and operations

7.3(A)

Computing with Positive and Negative Numbers

Add, subtract, multiply, and divide rational numbers fluently.

Part of The student applies mathematical process standards to add, subtract, multiply, and divide while solving problems and justifying solutions

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Intro

Rational Numbers, Fast and Fluent

In this lesson you will add, subtract, multiply, and divide rational numbers fluently, meaning quickly and accurately, in whole-number, decimal, and fraction form. A rational number can be written as a fraction of two integers where the denominator is not zero, so 4, negative 3, 0.75, 2/3, and negative 2 1/2 all count.