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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 294 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.467 × 3 =
  2. 2.327 × 5 =
  3. 3.719 × 5 =
  4. 4.577 × 9 =
  5. 5.595 × 6 =
  6. 6.221 × 8 =
  7. 7.641 × 8 =
  8. 8.546 × 4 =
  9. 9.723 × 3 =
  10. 10.378 × 7 =
  11. 11.247 × 3 =
  12. 12.491 × 3 =
  13. 13.763 × 7 =
  14. 14.287 × 4 =
  15. 15.555 × 9 =
  16. 16.481 × 9 =
  17. 17.532 × 5 =
  18. 18.818 × 6 =
  19. 19.877 × 4 =
  20. 20.322 × 6 =
  21. 21.357 × 9 =
  22. 22.412 × 5 =
  23. 23.706 × 4 =
  24. 24.811 × 5 =
  25. 25.635 × 5 =
  26. 26.968 × 6 =
  27. 27.867 × 3 =
  28. 28.423 × 5 =
  29. 29.301 × 5 =
  30. 30.205 × 9 =
  31. 31.895 × 3 =
  32. 32.577 × 8 =
  33. 33.721 × 5 =
  34. 34.384 × 8 =
  35. 35.626 × 4 =
  36. 36.342 × 4 =
  37. 37.341 × 9 =
  38. 38.335 × 6 =
  39. 39.453 × 8 =
  40. 40.562 × 5 =

Answer key

  1. 1401
  2. 1635
  3. 3595
  4. 5193
  5. 3570
  6. 1768
  7. 5128
  8. 2184
  9. 2169
  10. 2646
  11. 741
  12. 1473
  13. 5341
  14. 1148
  15. 4995
  16. 4329
  17. 2660
  18. 4908
  19. 3508
  20. 1932
  21. 3213
  22. 2060
  23. 2824
  24. 4055
  25. 3175
  26. 5808
  27. 2601
  28. 2115
  29. 1505
  30. 1845
  31. 2685
  32. 4616
  33. 3605
  34. 3072
  35. 2504
  36. 1368
  37. 3069
  38. 2010
  39. 3624
  40. 2810

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