# Center

Number Puzzles: Multiplication and Division (4–5)

## Stage 1: Two-digit Factors

### Narrative

Students use the digits 0–9 to make multiplication equations with two-digit factors true. Each digit may only be used one time.

## Stage 2: Multi-digit Factors

### Narrative

Students use the digits 0–9 to make multiplication equations with multi-digit factors true. Each digit may only be used one time.