Grade 6 · The Number System

CCSS.MATH.CONTENT.6.NS.C.6a

Recognize opposite signs of numbers as indicating locations on opposite sides of 0 on the number line; recognize that the opposite of the opposite of a number is the number itself, e.g., -(-3) = 3, and that 0 is its own opposite.

Read this standard on the official Common Core site

Lessons that teach this standard

• What Are Integers? Positive and Negative Numbers

  What negative numbers mean, how opposites work, where integers sit on the number line, and why zero needs no sign of its own.