Let’s solve each multiplication problem step by step. We’re multiplying 3-digit numbers by 2.
We’ll go row by row, left to right.
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First row:
1.
222 × 2
200 × 2 = 400
20 × 2 = 40
2 × 2 = 4
→ 400 + 40 + 4 =
444
2.
333 × 2
300 × 2 = 600
30 × 2 = 60
3 × 2 = 6
→ 600 + 60 + 6 =
666
3.
321 × 2
300 × 2 = 600
20 × 2 = 40
1 × 2 = 2
→ 600 + 40 + 2 =
642
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Second row:
4.
123 × 2
100 × 2 = 200
20 × 2 = 40
3 × 2 = 6
→ 200 + 40 + 6 =
246
5.
231 × 2
200 × 2 = 400
30 × 2 = 60
1 × 2 = 2
→ 400 + 60 + 2 =
462
6.
111 × 2
100 × 2 = 200
10 × 2 = 20
1 × 2 = 2
→ 200 + 20 + 2 =
222
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Third row:
7.
223 × 2
200 × 2 = 400
20 × 2 = 40
3 × 2 = 6
→ 400 + 40 + 6 =
446
8.
322 × 2
300 × 2 = 600
20 × 2 = 40
2 × 2 = 4
→ 600 + 40 + 4 =
644
9.
122 × 2
100 × 2 = 200
20 × 2 = 40
2 × 2 = 4
→ 200 + 40 + 4 =
244
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Fourth row:
10.
221 × 2
200 × 2 = 400
20 × 2 = 40
1 × 2 = 2
→ 400 + 40 + 2 =
442
11.
311 × 2
300 × 2 = 600
10 × 2 = 20
1 × 2 = 2
→ 600 + 20 + 2 =
622
12.
113 × 2
100 × 2 = 200
10 × 2 = 20
3 × 2 = 6
→ 200 + 20 + 6 =
226
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✔ All answers checked and verified.
Final Answer:
444, 666, 642,
246, 462, 222,
446, 644, 244,
442, 622, 226
Parent Tip: Review the logic above to help your child master the concept of multiplication worksheet 3 digit by 1 digit.
