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Two-Digit by One-Digit Multiplication

Grade 4 · Stretch challenge · 12 questions · Version PG-9AEFLH-1SL5

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1.10 x 4 =
2.30 x 2 =
3.80 x 5 =
4.44 x 3 =
5.34 x 8 =
6.23 x 12 =
7.94 x 10 =
8.20 x 9 =
9.40 x 12 =
10.33 x 9 =
11.59 x 12 =
12.90 x 2 =

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 6
  1. 10 x 4 =40
  2. 30 x 2 =60
  3. 80 x 5 =400
  4. 44 x 3 =132
  5. 34 x 8 =272
  6. 23 x 12 =276
  7. 94 x 10 =940
  8. 20 x 9 =180
  9. 40 x 12 =480
  10. 33 x 9 =297
  11. 59 x 12 =708
  12. 90 x 2 =180

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.