Final Answer:
The completed multiplication problems are as follows:
51 × 2 = 102
81 × 4 = 324
63 × 5 = 315
46 × 0 = 0
80 × 3 = 240
43 × 9 = 387
84 × 8 = 672
47 × 4 = 188
74 × 3 = 222
83 × 9 = 747
64 × 4 = 256
68 × 8 = 544
16 × 5 = 80
66 × 6 = 396
47 × 8 = 376
27 × 7 = 189
42 × 2 = 84
87 × 8 = 696
23 × 8 = 184
81 × 1 = 81
46 × 5 = 230
22 × 2 = 44
25 × 6 = 150
28 × 9 = 252
80 × 7 = 560
88 × 8 = 704
34 × 4 = 136
51 × 1 = 51
49 × 9 = 441
30 × 0 = 0
86 × 5 = 430
43 × 3 = 129
22 × 4 = 88
45 × 1 = 45
19 × 9 = 171
34 × 8 = 272
68 × 5 = 340
38 × 6 = 228
82 × 7 = 574
34 × 2 = 68
55 × 5 = 275
58 × 8 = 464
88 × 7 = 616
11 × 3 = 33
49 × 9 = 441
74 × 4 = 296
10 × 3 = 30
55 × 8 = 440
15 × 5 = 75
29 × 3 = 87
23 × 7 = 161
80 × 1 = 80
41 × 9 = 369
19 × 9 = 171
42 × 2 = 84
59 × 2 = 118
32 × 8 = 256
55 × 5 = 275
67 × 8 = 536
20 × 8 = 160
81 × 5 = 405
85 × 9 = 765
Parent Tip: Review the logic above to help your child master the concept of two by one multiplication worksheet.