Let's solve each multiplication problem on the worksheet step by step.
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1 a.
7 × 99
We can think of this as:
7 × (100 - 1) = 7×100 - 7×1 = 700 - 7 =
693
✔ Answer: 693
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1 b.
7 × 88
Break it down:
7 × 80 = 560
7 × 8 = 56
Add: 560 + 56 =
616
✔ Answer: 616
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2 a.
7 × 61
7 × 60 = 420
7 × 1 = 7
420 + 7 =
427
✔ Answer: 427
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2 b.
8 × 40
8 × 4 = 32 → add a zero →
320
✔ Answer: 320
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3 a.
5 × 26
5 × 20 = 100
5 × 6 = 30
100 + 30 =
130
✔ Answer: 130
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3 b.
2 × 26
2 × 20 = 40
2 × 6 = 12
40 + 12 =
52
✔ Answer: 52
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4 a.
6 × 82
6 × 80 = 480
6 × 2 = 12
480 + 12 =
492
✔ Answer: 492
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4 b.
6 × 28
6 × 20 = 120
6 × 8 = 48
120 + 48 =
168
✔ Answer: 168
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5 a.
9 × 40
9 × 4 = 36 → add a zero →
360
✔ Answer: 360
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5 b.
4 × 87
4 × 80 = 320
4 × 7 = 28
320 + 28 =
348
✔ Answer: 348
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6 a.
9 × 48
9 × 40 = 360
9 × 8 = 72
360 + 72 =
432
✔ Answer: 432
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6 b.
3 × 28
3 × 20 = 60
3 × 8 = 24
60 + 24 =
84
✔ Answer: 84
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7 a.
2 × 85
2 × 80 = 160
2 × 5 = 10
160 + 10 =
170
✔ Answer: 170
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7 b.
6 × 58
6 × 50 = 300
6 × 8 = 48
300 + 48 =
348
✔ Answer: 348
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8 a.
6 × 27
6 × 20 = 120
6 × 7 = 42
120 + 42 =
162
✔ Answer: 162
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8 b.
2 × 29
2 × 20 = 40
2 × 9 = 18
40 + 18 =
58
✔ Answer: 58
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9 a.
4 × 78
4 × 70 = 280
4 × 8 = 32
280 + 32 =
312
✔ Answer: 312
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9 b.
9 × 79
9 × 80 = 720
But we need 9 × 79 → subtract one 9: 720 - 9 =
711
✔ Answer: 711
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10 a.
2 × 88
2 × 80 = 160
2 × 8 = 16
160 + 16 =
176
✔ Answer: 176
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10 b.
7 × 92
7 × 90 = 630
7 × 2 = 14
630 + 14 =
644
✔ Answer: 644
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✔ Final Answers:
| Problem | Answer |
|--------|--------|
| 1a | 693 |
| 1b | 616 |
| 2a | 427 |
| 2b | 320 |
| 3a | 130 |
| 3b | 52 |
| 4a | 492 |
| 4b | 168 |
| 5a | 360 |
| 5b | 348 |
| 6a | 432 |
| 6b | 84 |
| 7a | 170 |
| 7b | 348 |
| 8a | 162 |
| 8b | 58 |
| 9a | 312 |
| 9b | 711 |
| 10a | 176 |
| 10b | 644 |
Let me know if you'd like this in printable format or with explanations for younger learners!
Parent Tip: Review the logic above to help your child master the concept of math worksheet for grade 5 multiplication.
