NY-7.NS.2.a
Understand 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 contexts.
Example Problems
Evaluate:
Evaluate:
Evaluate:
Khan Academy ResourcesMultiplying negative numbers reviewMultiplying negative numbersMultiplying positive and negative fractionsExponents with negative fractional basesSigns of expressions challengeSigns of expressionsMultiplying & dividing negative numbers word problemsWhy a negative times a negative makes senseMultiplying positive & negative numbersWhy a negative times a negative is a positiveSign of expressions challenge problemsThe 0 & 1st powerEven & odd numbers of negativesInterpreting multiplication & division of negative numbersMultiplying positive and negative fractionsExponents with negative bases1 and -1 to different powers

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