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Two-Digit by One-Digit Multiplication

Grade 4 · Stretch challenge · 12 questions · Version PG-7CH7QO-1SL5

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1.87 x 4 =
2.68 x 9 =
3.46 x 5 =
4.73 x 11 =
5.86 x 5 =
6.16 x 10 =
7.31 x 10 =
8.82 x 4 =
9.57 x 7 =
10.44 x 4 =
11.75 x 8 =
12.52 x 10 =

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 1
  1. 87 x 4 =348
  2. 68 x 9 =612
  3. 46 x 5 =230
  4. 73 x 11 =803
  5. 86 x 5 =430
  6. 16 x 10 =160
  7. 31 x 10 =310
  8. 82 x 4 =328
  9. 57 x 7 =399
  10. 44 x 4 =176
  11. 75 x 8 =600
  12. 52 x 10 =520

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.