Year 4 Multiplying by Partitioning Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 4 multiplication worksheet.
Year 4 Multiplying by Partitioning Worksheet — Level 1 — Practice Set 3 — Answers
Multiply each part, then add the parts together.
1.38 × 5 = (30 × 5) + (8 × 5) = (answer space) + (answer space) = (answer space)
Answer: 150, 40, 190
- 30 × 5 = 150
- 8 × 5 = 40
- 150 + 40 = 190
2.35 × 3 = (30 × 3) + (5 × 3) = (answer space) + (answer space) = (answer space)
Answer: 90, 15, 105
- 30 × 3 = 90
- 5 × 3 = 15
- 90 + 15 = 105
3.44 × 2 = (40 × 2) + (4 × 2) = (answer space) + (answer space) = (answer space)
Answer: 80, 8, 88
- 40 × 2 = 80
- 4 × 2 = 8
- 80 + 8 = 88
4.28 × 5 = (20 × 5) + (8 × 5) = (answer space) + (answer space) = (answer space)
Answer: 100, 40, 140
- 20 × 5 = 100
- 8 × 5 = 40
- 100 + 40 = 140
5.22 × 5 = (20 × 5) + (2 × 5) = (answer space) + (answer space) = (answer space)
Answer: 100, 10, 110
- 20 × 5 = 100
- 2 × 5 = 10
- 100 + 10 = 110
6.43 × 2 = (40 × 2) + (3 × 2) = (answer space) + (answer space) = (answer space)
Answer: 80, 6, 86
- 40 × 2 = 80
- 3 × 2 = 6
- 80 + 6 = 86
7.17 × 2 = (10 × 2) + (7 × 2) = (answer space) + (answer space) = (answer space)
Answer: 20, 14, 34
- 10 × 2 = 20
- 7 × 2 = 14
- 20 + 14 = 34
8.32 × 5 = (30 × 5) + (2 × 5) = (answer space) + (answer space) = (answer space)
Answer: 150, 10, 160
- 30 × 5 = 150
- 2 × 5 = 10
- 150 + 10 = 160
9.49 × 5 = (40 × 5) + (9 × 5) = (answer space) + (answer space) = (answer space)
Answer: 200, 45, 245
- 40 × 5 = 200
- 9 × 5 = 45
- 200 + 45 = 245
10.12 × 4 = (10 × 4) + (2 × 4) = (answer space) + (answer space) = (answer space)
Answer: 40, 8, 48
- 10 × 4 = 40
- 2 × 4 = 8
- 40 + 8 = 48
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.