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Mathematics | Grade : 7
Domain - The Number System
Cluster - Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
[7.NS.A.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.
- Fraction
A number expressible in the form a/b where a is a whole number and b is a positive whole number. (The word fraction in these standards always refers to a nonnegative number.) - Properties of operations
- Rational number
A number expressible in the form a∕b or – a∕b for some fraction a∕b. The rational numbers include the integers.
[7.NS.A.1.d] -
Apply properties of operations as strategies to add and subtract rational numbers.
[AII.A-APR.D.7] -
(+) Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.
[MIII.A-APR.D.7] -
(+) Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.
[PC.A-APR.D.7] -
(+) Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.