Let’s solve each multiplication problem step by step. We’re multiplying 2-digit numbers by 8.
We’ll go row by row, left to right.
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First Row:
1.
73 × 8
Break it down:
70 × 8 = 560
3 × 8 = 24
Add them: 560 + 24 =
584
2.
18 × 8
10 × 8 = 80
8 × 8 = 64
80 + 64 =
144
3.
17 × 8
10 × 8 = 80
7 × 8 = 56
80 + 56 =
136
4.
52 × 8
50 × 8 = 400
2 × 8 = 16
400 + 16 =
416
5.
71 × 8
70 × 8 = 560
1 × 8 = 8
560 + 8 =
568
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Second Row:
6.
61 × 8
60 × 8 = 480
1 × 8 = 8
480 + 8 =
488
7.
30 × 8
3 × 8 = 24 → so 30 × 8 =
240
8.
63 × 8
60 × 8 = 480
3 × 8 = 24
480 + 24 =
504
9.
59 × 8
50 × 8 = 400
9 × 8 = 72
400 + 72 =
472
10.
64 × 8
60 × 8 = 480
4 × 8 = 32
480 + 32 =
512
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Third Row:
11.
70 × 8
7 × 8 = 56 → so 70 × 8 =
560
12.
65 × 8
60 × 8 = 480
5 × 8 = 40
480 + 40 =
520
13.
94 × 8
90 × 8 = 720
4 × 8 = 32
720 + 32 =
752
14.
58 × 8
50 × 8 = 400
8 × 8 = 64
400 + 64 =
464
15.
13 × 8
10 × 8 = 80
3 × 8 = 24
80 + 24 =
104
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Fourth Row:
16.
76 × 8
70 × 8 = 560
6 × 8 = 48
560 + 48 =
608
17.
89 × 8
80 × 8 = 640
9 × 8 = 72
640 + 72 =
712
18.
74 × 8
70 × 8 = 560
4 × 8 = 32
560 + 32 =
592
19.
48 × 8
40 × 8 = 320
8 × 8 = 64
320 + 64 =
384
20.
38 × 8
30 × 8 = 240
8 × 8 = 64
240 + 64 =
304
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Fifth Row:
21.
36 × 8
30 × 8 = 240
6 × 8 = 48
240 + 48 =
288
22.
61 × 8 (again)
Already did this —
488
23.
51 × 8
50 × 8 = 400
1 × 8 = 8
400 + 8 =
408
24.
72 × 8
70 × 8 = 560
2 × 8 = 16
560 + 16 =
576
25.
88 × 8
80 × 8 = 640
8 × 8 = 64
640 + 64 =
704
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✔ All calculations checked twice for accuracy.
Final Answer:
584, 144, 136, 416, 568,
488, 240, 504, 472, 512,
560, 520, 752, 464, 104,
608, 712, 592, 384, 304,
288, 488, 408, 576, 704
Parent Tip: Review the logic above to help your child master the concept of 2 digit multiplication worksheet grade.
