Grade 7 · The Number System

CCSS.MATH.CONTENT.7.NS.A.1d

Apply properties of operations as strategies to add and subtract rational numbers.

Read this standard on the official Common Core site

Lessons that teach this standard

• Adding and Subtracting Integers

  How to add and subtract negative numbers using the number line, why subtracting is the same as adding the opposite, and how to handle two signs in a row.