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Two-Digit by One-Digit Multiplication

Grade 4 · Stretch challenge · 12 questions · Version PG-1UQC7HI-1SL5

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1.45 x 4 =
2.27 x 8 =
3.55 x 12 =
4.72 x 9 =
5.89 x 9 =
6.23 x 11 =
7.69 x 8 =
8.26 x 6 =
9.66 x 6 =
10.14 x 10 =
11.19 x 5 =
12.79 x 5 =

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 12
  1. 45 x 4 =180
  2. 27 x 8 =216
  3. 55 x 12 =660
  4. 72 x 9 =648
  5. 89 x 9 =801
  6. 23 x 11 =253
  7. 69 x 8 =552
  8. 26 x 6 =156
  9. 66 x 6 =396
  10. 14 x 10 =140
  11. 19 x 5 =95
  12. 79 x 5 =395

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.