Practice Problems — Set 12

3.OA.C.7 · Fluently multiply and divide within 100, using strategies such as the…

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. 3 × 4 = ___ 2. 12 ÷ 4 = ___ 3. Draw an array for 4 rows of 5. Total? ___

_See printable PDF for diagram._

Written practice

1. Groups: 4 bags with 5 apples each. Total? ___ 2. 6 ÷ 3 = ___ 3. Draw an array for 3 rows of 4. Total? ___ 4. Groups: 4 bags with 5 each. Total? ___ 5. Share 36 equally among 3 friends. Each gets ___ 6. Missing factor: ___ × 4 = 8 7. Share 36 stickers equally among 3 friends. Each gets ___ 8. 15 ÷ 3 = ___

___________________________ ___________________________ ___________________________ ___________________________

More written practice

1. Draw an array for 3 rows of 5. Total? ___ 2. Groups: 4 bags with 6 each. Total? ___ 3. Share 42 equally among 4 friends. Each gets ___ 4. Missing factor: ___ × 4 = 20 5. 4 × 3 = ___ 6. 12 ÷ 3 = ___

___________________________ ___________________________ ___________________________ ___________________________ ___________________________

Patterns and rules

1. 3 × 5 = ___ 2. 15 ÷ 5 = ___ 3. Draw an array for 5 rows of 5. Total? ___

_See printable PDF for diagram._

___________________________ ___________________________ ___________________________ ___________________________

Parent tip: Draw arrays for multiplication