Explain 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. Leading to situations such that if p and q are integers, then −(𝑝/𝑞) = −𝑝/𝑞 = 𝑝/−𝑞.

The Number System

- Apply and extend previous understandings of operations with positive rational numbers to add, subtract, multiply, and divide all rational numbers.
Apply and extend previous understandings of multiplication and division of positive rational numbers to multiply and divide all rational numbers.