Let’s solve each multiplication problem one by one. We’ll multiply the top number (the two-digit number) by the bottom number (the single digit).
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Row 1:
1.
53 × 2
→ 50 × 2 = 100
→ 3 × 2 = 6
→ 100 + 6 =
106
2.
64 × 2
→ 60 × 2 = 120
→ 4 × 2 = 8
→ 120 + 8 =
128
3.
72 × 3
→ 70 × 3 = 210
→ 2 × 3 = 6
→ 210 + 6 =
216
4.
63 × 3
→ 60 × 3 = 180
→ 3 × 3 = 9
→ 180 + 9 =
189
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Row 2:
5.
84 × 2
→ 80 × 2 = 160
→ 4 × 2 = 8
→ 160 + 8 =
168
6.
90 × 2
→ 90 × 2 =
180
7.
52 × 2
→ 50 × 2 = 100
→ 2 × 2 = 4
→ 100 + 4 =
104
8.
43 × 2
→ 40 × 2 = 80
→ 3 × 2 = 6
→ 80 + 6 =
86
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Row 3:
9.
70 × 3
→ 70 × 3 =
210
10.
80 × 2
→ 80 × 2 =
160
11.
94 × 2
→ 90 × 2 = 180
→ 4 × 2 = 8
→ 180 + 8 =
188
12.
61 × 2
→ 60 × 2 = 120
→ 1 × 2 = 2
→ 120 + 2 =
122
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Row 4:
13.
51 × 2
→ 50 × 2 = 100
→ 1 × 2 = 2
→ 100 + 2 =
102
14.
41 × 4
→ 40 × 4 = 160
→ 1 × 4 = 4
→ 160 + 4 =
164
15.
50 × 2
→ 50 × 2 =
100
16.
74 × 2
→ 70 × 2 = 140
→ 4 × 2 = 8
→ 140 + 8 =
148
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Final Answer:
106, 128, 216, 189, 168, 180, 104, 86, 210, 160, 188, 122, 102, 164, 100, 148
Parent Tip: Review the logic above to help your child master the concept of free fourth grade worksheet.
