7ns2a Worksheets
The Number System
Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
2Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers.
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 contexts.
7ns2a
7ns2a

- Multiply negative and positive integers and decide whether the product should be positive or negative.
- Divide negative and positive integers and decide whether the quotient should be positive or negative.
- Use the sign rules to work quickly with problems that have one negative number or two negative numbers.