Practice Problems — Set 13

3.OA.B.6 · Understand division as an unknown-factor problem

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

Warm-up

1. 4 × 5 = ___ 2. 20 ÷ 5 = ___ 3. Draw an array for 5 rows of 4. Total? ___

_See printable PDF for diagram._

Written practice

1. 3 × 4 = ___ 2. Share 38 stickers equally among 4 friends. Each gets ___ 3. Draw an array for 4 rows of 5. Total? ___ 4. Groups: 5 bags with 6 each. Total? ___ 5. Share 38 equally among 4 friends. Each gets ___ 6. Story: 3 rows of 4 chairs. How many chairs? ___ 7. 2 × 4 = ___ 8. Word problem: 12 candies shared by 4 children. Each gets ___

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More written practice

1. Draw an array for 4 rows of 4. Total? ___ 2. Groups: 5 bags with 5 each. Total? ___ 3. Share 44 equally among 3 friends. Each gets ___ 4. Missing factor: ___ × 5 = 10 5. 5 × 4 = ___ 6. 20 ÷ 4 = ___

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Patterns and rules

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

_See printable PDF for diagram._

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Parent tip: Draw arrays for multiplication