Practice Problems — Set 17

4.OA.B.4 · Find all factor pairs for a whole number in the range 1-100

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

Warm-up

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

_See printable PDF for diagram._

Written practice

1. Word problem: 15 candies shared by 5 children. Each gets ___ 2. Two-step: Start with 16, add 4, then subtract 3. Result? ___ 3. Draw an array for 5 rows of 5. Total? ___ 4. Groups: 6 bags with 6 each. Total? ___ 5. Share 46 equally among 4 friends. Each gets ___ 6. Explain your thinking for this word problem in one sentence. 7. Create your own word problem for 4.OA.B.4. 8. Groups: 6 bags with 6 apples each. Total? ___

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More written practice

1. Draw an array for 5 rows of 4. Total? ___ 2. Groups: 6 bags with 5 each. Total? ___ 3. Share 52 equally among 3 friends. Each gets ___ 4. Missing factor: ___ × 6 = 12 5. 5 × 5 = ___ 6. 25 ÷ 5 = ___

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Patterns and rules

1. 4 × 4 = ___ 2. 16 ÷ 4 = ___ 3. Draw an array for 4 rows of 4. Total? ___

_See printable PDF for diagram._

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Stretch

1. Word problem: 15 candies shared by 5 children. Each gets ___ 2. Two-step: Start with 16, add 4, then subtract 3. Result? ___

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Parent tip: Draw arrays for multiplication