Practice Problems — Set 15
5.OA.A.2 · Write simple expressions that record calculations with numbers, and i…
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Write simple expressions that record calculations with numbers, and i… 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.
_See printable PDF for diagram._
Written practice
1. 5 × 3 = ___ 2. 15 ÷ 3 = ___ 3. Draw an array for 3 rows of 5. Total? ___ 4. Groups: 4 bags with 6 each. Total? ___ 5. Share 42 equally among 4 friends. Each gets ___ 6. Missing factor: ___ × 4 = 20 7. Explain your thinking for set 15 in one sentence. 8. Create your own problem for 5.OA.A.2.
___________________________ ___________________________ ___________________________ ___________________________
More written practice
1. Apply Write simple expressions that record calculations with numbers, and i… (item 9, set 15): show your work. ___ 2. Apply Write simple expressions that record calculations with numbers, and i… (item 10, set 15): show your work. ___ 3. Apply Write simple expressions that record calculations with numbers, and i… (item 11, set 15): show your work. ___ 4. Apply Write simple expressions that record calculations with numbers, and i… (item 12, set 15): show your work. ___ 5. Apply Write simple expressions that record calculations with numbers, and i… (item 13, set 15): show your work. ___ 6. Apply Write simple expressions that record calculations with numbers, and i… (item 14, set 15): show your work. ___
___________________________ ___________________________ ___________________________ ___________________________ ___________________________
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._
___________________________ ___________________________ ___________________________ ___________________________
Parent tip: Draw arrays for multiplication