Let’s solve each multiplication problem one by one. We’ll do them step by step so you can follow along easily.
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First row:
1.
97 × 62
Break it down:
- 97 × 60 = (97 × 6) × 10 = 582 × 10 =
5820
- 97 × 2 =
194
- Add them: 5820 + 194 =
6014
✔ 97 × 62 =
6014
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2.
34 × 84
Break it down:
- 34 × 80 = (34 × 8) × 10 = 272 × 10 =
2720
- 34 × 4 =
136
- Add them: 2720 + 136 =
2856
✔ 34 × 84 =
2856
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3.
48 × 17
Break it down:
- 48 × 10 =
480
- 48 × 7 =
336
- Add them: 480 + 336 =
816
✔ 48 × 17 =
816
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4.
59 × 11
Trick for multiplying by 11:
For two-digit numbers, add the digits and put the sum in between.
But let’s check: 59 × 11 = 59 × (10 + 1) = 590 + 59 =
649
✔ 59 × 11 =
649
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Second row:
5.
88 × 62
Break it down:
- 88 × 60 = (88 × 6) × 10 = 528 × 10 =
5280
- 88 × 2 =
176
- Add them: 5280 + 176 =
5456
✔ 88 × 62 =
5456
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6.
45 × 73
Break it down:
- 45 × 70 = (45 × 7) × 10 = 315 × 10 =
3150
- 45 × 3 =
135
- Add them: 3150 + 135 =
3285
✔ 45 × 73 =
3285
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7.
72 × 12
Break it down:
- 72 × 10 =
720
- 72 × 2 =
144
- Add them: 720 + 144 =
864
✔ 72 × 12 =
864
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8.
54 × 81
Break it down:
- 54 × 80 = (54 × 8) × 10 = 432 × 10 =
4320
- 54 × 1 =
54
- Add them: 4320 + 54 =
4374
✔ 54 × 81 =
4374
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Third row:
9.
32 × 96
Break it down:
- 32 × 90 = (32 × 9) × 10 = 288 × 10 =
2880
- 32 × 6 =
192
- Add them: 2880 + 192 =
3072
✔ 32 × 96 =
3072
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10.
10 × 47
Easy! Just add a zero to 47 →
470
✔ 10 × 47 =
470
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11.
91 × 97
This is trickier. Let’s use breaking apart:
We can think of it as:
- 91 × 97 = 91 × (100 - 3) = (91 × 100) - (91 × 3)
- 91 × 100 =
9100
- 91 × 3 =
273
- Subtract: 9100 - 273 =
8827
✔ 91 × 97 =
8827
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12.
40 × 11
Easy! 40 × 10 = 400, plus 40 × 1 = 40 → 400 + 40 =
440
Or just 40 × 11 = 440
✔ 40 × 11 =
440
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Final Answer:
6014, 2856, 816, 649, 5456, 3285, 864, 4374, 3072, 470, 8827, 440
Parent Tip: Review the logic above to help your child master the concept of math worksheet 2 digit multiplication.
