Year 4 Multiplying by Partitioning Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 4 multiplication worksheet.
Year 4 Multiplying by Partitioning Worksheet — Level 1 — Practice Set 4 — Answers
Multiply each part, then add the parts together.
1.31 × 3 = (30 × 3) + (1 × 3) = (answer space) + (answer space) = (answer space)
Answer: 90, 3, 93
- 30 × 3 = 90
- 1 × 3 = 3
- 90 + 3 = 93
2.47 × 3 = (40 × 3) + (7 × 3) = (answer space) + (answer space) = (answer space)
Answer: 120, 21, 141
- 40 × 3 = 120
- 7 × 3 = 21
- 120 + 21 = 141
3.28 × 2 = (20 × 2) + (8 × 2) = (answer space) + (answer space) = (answer space)
Answer: 40, 16, 56
- 20 × 2 = 40
- 8 × 2 = 16
- 40 + 16 = 56
4.37 × 3 = (30 × 3) + (7 × 3) = (answer space) + (answer space) = (answer space)
Answer: 90, 21, 111
- 30 × 3 = 90
- 7 × 3 = 21
- 90 + 21 = 111
5.21 × 3 = (20 × 3) + (1 × 3) = (answer space) + (answer space) = (answer space)
Answer: 60, 3, 63
- 20 × 3 = 60
- 1 × 3 = 3
- 60 + 3 = 63
6.45 × 4 = (40 × 4) + (5 × 4) = (answer space) + (answer space) = (answer space)
Answer: 160, 20, 180
- 40 × 4 = 160
- 5 × 4 = 20
- 160 + 20 = 180
7.41 × 3 = (40 × 3) + (1 × 3) = (answer space) + (answer space) = (answer space)
Answer: 120, 3, 123
- 40 × 3 = 120
- 1 × 3 = 3
- 120 + 3 = 123
8.41 × 5 = (40 × 5) + (1 × 5) = (answer space) + (answer space) = (answer space)
Answer: 200, 5, 205
- 40 × 5 = 200
- 1 × 5 = 5
- 200 + 5 = 205
9.48 × 2 = (40 × 2) + (8 × 2) = (answer space) + (answer space) = (answer space)
Answer: 80, 16, 96
- 40 × 2 = 80
- 8 × 2 = 16
- 80 + 16 = 96
10.39 × 5 = (30 × 5) + (9 × 5) = (answer space) + (answer space) = (answer space)
Answer: 150, 45, 195
- 30 × 5 = 150
- 9 × 5 = 45
- 150 + 45 = 195
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.