1.0 Students identify and use the arithmetic properties of subsets of integers and rational, irrational, and real numbers, including closure properties for the four basic arithmetic operations where applicable.

#### Example Problems

$$2-8+(-5)-(-17)=$$
$$\frac{-7(2)-4}{-3}=$$

$$\frac{4-8}{3+9}=$$

#### Practice

Copyright (c) 2003-2012 F. Knauss