Let's solve each of the
column multiplication problems step by step. We'll use standard long multiplication for each.
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1. 458 × 79
Break down 79 into 70 + 9:
- 458 × 9 = 4,122
- 458 × 70 = 32,060
(458 × 7 = 3,206 → add a zero → 32,060)
Now add:
4,122 + 32,060 =
36,182
✔ Answer: 36,182
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2. 824 × 37
Break down 37 into 30 + 7:
- 824 × 7 = 5,768
- 824 × 30 = 24,720
(824 × 3 = 2,472 → add a zero → 24,720)
Add:
5,768 + 24,720 =
30,488
✔ Answer: 30,488
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3. 715 × 97
Break down 97 into 90 + 7:
- 715 × 7 = 5,005
- 715 × 90 = 64,350
(715 × 9 = 6,435 → add a zero → 64,350)
Add:
5,005 + 64,350 =
69,355
✔ Answer: 69,355
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4. 187 × 85
Break down 85 into 80 + 5:
- 187 × 5 = 935
- 187 × 80 = 14,960
(187 × 8 = 1,496 → add a zero → 14,960)
Add:
935 + 14,960 =
15,895
✔ Answer: 15,895
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5. 936 × 94
Break down 94 into 90 + 4:
- 936 × 4 = 3,744
- 936 × 90 = 84,240
(936 × 9 = 8,424 → add a zero → 84,240)
Add:
3,744 + 84,240 =
87,984
✔ Answer: 87,984
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6. 694 × 89
Break down 89 into 80 + 9:
- 694 × 9 = 6,246
- 694 × 80 = 55,520
(694 × 8 = 5,552 → add a zero → 55,520)
Add:
6,246 + 55,520 =
61,766
✔ Answer: 61,766
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7. 418 × 45
Break down 45 into 40 + 5:
- 418 × 5 = 2,090
- 418 × 40 = 16,720
(418 × 4 = 1,672 → add a zero → 16,720)
Add:
2,090 + 16,720 =
18,810
✔ Answer: 18,810
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8. 624 × 96
Break down 96 into 90 + 6:
- 624 × 6 = 3,744
- 624 × 90 = 56,160
(624 × 9 = 5,616 → add a zero → 56,160)
Add:
3,744 + 56,160 =
59,904
✔ Answer: 59,904
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9. 519 × 82
Break down 82 into 80 + 2:
- 519 × 2 = 1,038
- 519 × 80 = 41,520
(519 × 8 = 4,152 → add a zero → 41,520)
Add:
1,038 + 41,520 =
42,558
✔ Answer: 42,558
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10. 743 × 72
Break down 72 into 70 + 2:
- 743 × 2 = 1,486
- 743 × 70 = 51,910
(743 × 7 = 5,191 → add a zero → 51,910)
Add:
1,486 + 51,910 =
53,396
✔ Answer: 53,396
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11. 336 × 44
Break down 44 into 40 + 4:
- 336 × 4 = 1,344
- 336 × 40 = 13,440
(336 × 4 = 1,344 → add a zero → 13,440)
Add:
1,344 + 13,440 =
14,784
✔ Answer: 14,784
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12. 816 × 93
Break down 93 into 90 + 3:
- 816 × 3 = 2,448
- 816 × 90 = 73,440
(816 × 9 = 7,344 → add a zero → 73,440)
Add:
2,448 + 73,440 =
75,888
✔ Answer: 75,888
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✔ Final Answers:
1.
36,182
2.
30,488
3.
69,355
4.
15,895
5.
87,984
6.
61,766
7.
18,810
8.
59,904
9.
42,558
10.
53,396
11.
14,784
12.
75,888
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Let me know if you'd like these written in column form or explained visually!
Parent Tip: Review the logic above to help your child master the concept of multiplication worksheets grade 5.
