Number LinesToday you will learn to:• use number lines to demonstrate properties of addition and subtraction• perform addition and subtraction of rational numbers using a number line

M07.A-N.1.1.2: Represent addition and subtraction on a horizontal or vertical number line.

Warm-up Problem: Number Warm-up Problem: Number LinesLinesDuring lunch, you notice that you owe $0.75 to your lunch account. You add $1.50 to your account. Using a number line, show the amount of money you now have in your account.

Distance on a Number Line

Additive Inverses

Model Operations on a Number Line