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Two-Digit by One-Digit Multiplication

Grade 4 · Stretch challenge · 12 questions · Version PG-8GFMIK-1SL5

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1.42 x 4 =
2.88 x 4 =
3.48 x 9 =
4.53 x 3 =
5.85 x 5 =
6.75 x 8 =
7.14 x 7 =
8.84 x 2 =
9.90 x 10 =
10.99 x 4 =
11.33 x 3 =
12.90 x 7 =

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 5
  1. 42 x 4 =168
  2. 88 x 4 =352
  3. 48 x 9 =432
  4. 53 x 3 =159
  5. 85 x 5 =425
  6. 75 x 8 =600
  7. 14 x 7 =98
  8. 84 x 2 =168
  9. 90 x 10 =900
  10. 99 x 4 =396
  11. 33 x 3 =99
  12. 90 x 7 =630

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.