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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 327 · 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. 1.846 × 7 =
  2. 2.506 × 4 =
  3. 3.232 × 3 =
  4. 4.221 × 6 =
  5. 5.447 × 3 =
  6. 6.638 × 6 =
  7. 7.871 × 5 =
  8. 8.794 × 5 =
  9. 9.128 × 4 =
  10. 10.242 × 4 =
  11. 11.928 × 8 =
  12. 12.733 × 8 =
  13. 13.389 × 9 =
  14. 14.398 × 4 =
  15. 15.581 × 4 =
  16. 16.501 × 7 =
  17. 17.405 × 4 =
  18. 18.295 × 4 =
  19. 19.987 × 6 =
  20. 20.211 × 6 =
  21. 21.774 × 8 =
  22. 22.536 × 3 =
  23. 23.137 × 7 =
  24. 24.835 × 5 =
  25. 25.188 × 3 =
  26. 26.584 × 8 =
  27. 27.754 × 7 =
  28. 28.729 × 6 =
  29. 29.231 × 4 =
  30. 30.238 × 6 =
  31. 31.551 × 3 =
  32. 32.521 × 3 =
  33. 33.311 × 7 =
  34. 34.972 × 4 =
  35. 35.213 × 3 =
  36. 36.296 × 3 =
  37. 37.271 × 4 =
  38. 38.908 × 7 =
  39. 39.658 × 6 =
  40. 40.403 × 5 =

Answer key

  1. 5922
  2. 2024
  3. 696
  4. 1326
  5. 1341
  6. 3828
  7. 4355
  8. 3970
  9. 512
  10. 968
  11. 7424
  12. 5864
  13. 3501
  14. 1592
  15. 2324
  16. 3507
  17. 1620
  18. 1180
  19. 5922
  20. 1266
  21. 6192
  22. 1608
  23. 959
  24. 4175
  25. 564
  26. 4672
  27. 5278
  28. 4374
  29. 924
  30. 1428
  31. 1653
  32. 1563
  33. 2177
  34. 3888
  35. 639
  36. 888
  37. 1084
  38. 6356
  39. 3948
  40. 2015

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