Common Core
7.NS.A.2
3 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Grade 7 Math · Chapter 5 · Lesson 1
Why a Negative Times a Negative Is Positive
A pattern that has to keep going.
Grade 7 Math · Chapter 5 · Lesson 3
Why Two Negatives Make a Positive
Not a rule to memorize — a pattern that has to continue.
Grade 7 Math · Chapter 5 · Lesson 4
Terminating and Repeating Decimals
Every fraction becomes one or the other.