7th Grade · The Number System

Repeated Addition

7.NS.A.2a

Definition

Multiplication understood as adding the same number repeatedly.

Teach it

Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.

Examples

  • 3 × (−2) = (−2) + (−2) + (−2) = −6.
  • 4 × 3 = 3 + 3 + 3 + 3 = 12.

Key rule

Multiplying a positive by a negative makes repeated negative jumps.

Memory hook

Multiply = add it again and again.