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. Talk through today's focus: Fluently multiply and divide within 100, using strategies such as the… 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.
_See printable PDF for diagram._
Written practice
1. 2 × 3 = ___ 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. Explain your thinking for set 12 in one sentence. 8. Create your own problem for 3.OA.C.7.
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More written practice
1. Apply Fluently multiply and divide within 100, using strategies such as the… (item 9, set 12): show your work. ___ 2. Apply Fluently multiply and divide within 100, using strategies such as the… (item 10, set 12): show your work. ___ 3. Apply Fluently multiply and divide within 100, using strategies such as the… (item 11, set 12): show your work. ___ 4. Apply Fluently multiply and divide within 100, using strategies such as the… (item 12, set 12): show your work. ___ 5. Apply Fluently multiply and divide within 100, using strategies such as the… (item 13, set 12): show your work. ___ 6. Apply Fluently multiply and divide within 100, using strategies such as the… (item 14, set 12): 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