Practice Problems — Set 5
3.OA.B.5 · Apply properties of operations as strategies to multiply and divide
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Apply properties of operations as strategies to multiply and divide 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.
_See printable PDF for diagram._
Written practice
1. 3 × 5 = ___ 2. 15 ÷ 5 = ___ 3. Draw an array for 5 rows of 5. Total? ___ 4. Groups: 6 bags with 6 each. Total? ___ 5. Share 22 equally among 4 friends. Each gets ___ 6. Missing factor: ___ × 6 = 18 7. Apply Apply properties of operations as strategies to multiply and divide (item 7, set 5): show your work. ___ 8. Apply Apply properties of operations as strategies to multiply and divide (item 8, set 5): show your work. ___
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More written practice
1. Apply Apply properties of operations as strategies to multiply and divide (item 9, set 5): show your work. ___ 2. Apply Apply properties of operations as strategies to multiply and divide (item 10, set 5): show your work. ___ 3. Apply Apply properties of operations as strategies to multiply and divide (item 11, set 5): show your work. ___ 4. Apply Apply properties of operations as strategies to multiply and divide (item 12, set 5): show your work. ___ 5. Apply Apply properties of operations as strategies to multiply and divide (item 13, set 5): show your work. ___ 6. Apply Apply properties of operations as strategies to multiply and divide (item 14, set 5): show your work. ___
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Patterns and rules
1. Multiplication counts equal groups. 2. Division can mean sharing or forming equal groups. 3. Arrays show rows × columns.
_See printable PDF for diagram._
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Parent tip: Draw arrays for multiplication