7.NS.A.2: Multiply and divide integers and other rational numbers.

Multiply and divide integers and other rational numbers.

7.NS.A.2.aUnderstand that multiplication is extended from fractions to rational numbers by requiring that operations continue to satisfy the properties of operations, particularly the distributive property, leading to products such as (–1)(–1) = 1 and the rules for multiplying signed numbers. Interpret products of rational numbers by describing real-world context.7.NS.A.2.bUnderstand that integers can be divided, provided that the divisor is not zero, and every quotient of integers (with non-zero divisor) is a rational number. If p and q are integers, then –(p/q) = (–p)/q = p/(–q). Interpret quotients of rational numbers by describing real-world context.7.NS.A.2.cApply properties of operations as strategies to multiply and divide rational numbers.7.NS.A.2.dConvert a rational number to decimal form using long division; know that the decimal form of a rational number terminates in 0’s or eventually repeats.
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