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Two-Digit by One-Digit Multiplication

Grade 4 · Stretch challenge · 12 questions · Version PG-ZNWDWB-1SL5

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1.18 x 3 =
2.78 x 4 =
3.48 x 4 =
4.25 x 5 =
5.19 x 3 =
6.78 x 11 =
7.70 x 5 =
8.31 x 12 =
9.63 x 7 =
10.74 x 4 =
11.21 x 7 =
12.79 x 4 =

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 20
  1. 18 x 3 =54
  2. 78 x 4 =312
  3. 48 x 4 =192
  4. 25 x 5 =125
  5. 19 x 3 =57
  6. 78 x 11 =858
  7. 70 x 5 =350
  8. 31 x 12 =372
  9. 63 x 7 =441
  10. 74 x 4 =296
  11. 21 x 7 =147
  12. 79 x 4 =316

Worked example

34 x 6 = 204. Multiply 30 x 6 and 4 x 6, then add.

Common mistake

Multiplying only the ones digit.

Helpful hint

Break the two-digit number into tens and ones.