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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 87 · 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. 1.251 × 7 =
  2. 2.804 × 6 =
  3. 3.334 × 4 =
  4. 4.751 × 7 =
  5. 5.144 × 4 =
  6. 6.641 × 8 =
  7. 7.706 × 6 =
  8. 8.193 × 5 =
  9. 9.771 × 3 =
  10. 10.225 × 5 =
  11. 11.726 × 6 =
  12. 12.904 × 9 =
  13. 13.956 × 4 =
  14. 14.318 × 6 =
  15. 15.863 × 8 =
  16. 16.309 × 5 =
  17. 17.888 × 5 =
  18. 18.699 × 9 =
  19. 19.466 × 7 =
  20. 20.359 × 5 =
  21. 21.958 × 3 =
  22. 22.832 × 5 =
  23. 23.811 × 3 =
  24. 24.344 × 4 =
  25. 25.405 × 9 =
  26. 26.372 × 8 =
  27. 27.224 × 4 =
  28. 28.611 × 5 =
  29. 29.311 × 3 =
  30. 30.858 × 5 =
  31. 31.471 × 3 =
  32. 32.341 × 7 =
  33. 33.522 × 6 =
  34. 34.677 × 4 =
  35. 35.311 × 8 =
  36. 36.331 × 6 =
  37. 37.462 × 7 =
  38. 38.594 × 8 =
  39. 39.772 × 8 =
  40. 40.986 × 7 =

Answer key

  1. 1757
  2. 4824
  3. 1336
  4. 5257
  5. 576
  6. 5128
  7. 4236
  8. 965
  9. 2313
  10. 1125
  11. 4356
  12. 8136
  13. 3824
  14. 1908
  15. 6904
  16. 1545
  17. 4440
  18. 6291
  19. 3262
  20. 1795
  21. 2874
  22. 4160
  23. 2433
  24. 1376
  25. 3645
  26. 2976
  27. 896
  28. 3055
  29. 933
  30. 4290
  31. 1413
  32. 2387
  33. 3132
  34. 2708
  35. 2488
  36. 1986
  37. 3234
  38. 4752
  39. 6176
  40. 6902

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