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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 537 · 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. 1.242 × 4 =
  2. 2.166 × 9 =
  3. 3.172 × 6 =
  4. 4.851 × 7 =
  5. 5.419 × 3 =
  6. 6.471 × 6 =
  7. 7.662 × 8 =
  8. 8.363 × 3 =
  9. 9.245 × 4 =
  10. 10.253 × 9 =
  11. 11.344 × 9 =
  12. 12.291 × 4 =
  13. 13.976 × 7 =
  14. 14.815 × 3 =
  15. 15.493 × 8 =
  16. 16.827 × 3 =
  17. 17.329 × 4 =
  18. 18.917 × 3 =
  19. 19.477 × 8 =
  20. 20.293 × 9 =
  21. 21.711 × 4 =
  22. 22.411 × 7 =
  23. 23.782 × 5 =
  24. 24.753 × 5 =
  25. 25.183 × 5 =
  26. 26.751 × 6 =
  27. 27.359 × 3 =
  28. 28.773 × 6 =
  29. 29.516 × 8 =
  30. 30.898 × 5 =
  31. 31.681 × 5 =
  32. 32.294 × 5 =
  33. 33.201 × 5 =
  34. 34.602 × 3 =
  35. 35.178 × 9 =
  36. 36.239 × 3 =
  37. 37.131 × 5 =
  38. 38.869 × 5 =
  39. 39.392 × 8 =
  40. 40.972 × 4 =

Answer key

  1. 968
  2. 1494
  3. 1032
  4. 5957
  5. 1257
  6. 2826
  7. 5296
  8. 1089
  9. 980
  10. 2277
  11. 3096
  12. 1164
  13. 6832
  14. 2445
  15. 3944
  16. 2481
  17. 1316
  18. 2751
  19. 3816
  20. 2637
  21. 2844
  22. 2877
  23. 3910
  24. 3765
  25. 915
  26. 4506
  27. 1077
  28. 4638
  29. 4128
  30. 4490
  31. 3405
  32. 1470
  33. 1005
  34. 1806
  35. 1602
  36. 717
  37. 655
  38. 4345
  39. 3136
  40. 3888

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