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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 739 · 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. 1.451 × 9 =
  2. 2.148 × 6 =
  3. 3.132 × 7 =
  4. 4.246 × 4 =
  5. 5.156 × 3 =
  6. 6.432 × 9 =
  7. 7.277 × 7 =
  8. 8.286 × 5 =
  9. 9.933 × 4 =
  10. 10.242 × 9 =
  11. 11.706 × 9 =
  12. 12.834 × 9 =
  13. 13.906 × 6 =
  14. 14.928 × 5 =
  15. 15.277 × 9 =
  16. 16.815 × 7 =
  17. 17.984 × 9 =
  18. 18.251 × 8 =
  19. 19.729 × 9 =
  20. 20.137 × 5 =
  21. 21.354 × 4 =
  22. 22.135 × 3 =
  23. 23.441 × 8 =
  24. 24.296 × 8 =
  25. 25.491 × 6 =
  26. 26.631 × 4 =
  27. 27.358 × 9 =
  28. 28.398 × 8 =
  29. 29.974 × 4 =
  30. 30.845 × 4 =
  31. 31.363 × 8 =
  32. 32.149 × 9 =
  33. 33.188 × 8 =
  34. 34.201 × 6 =
  35. 35.738 × 3 =
  36. 36.937 × 5 =
  37. 37.581 × 9 =
  38. 38.939 × 6 =
  39. 39.393 × 8 =
  40. 40.921 × 4 =

Answer key

  1. 4059
  2. 888
  3. 924
  4. 984
  5. 468
  6. 3888
  7. 1939
  8. 1430
  9. 3732
  10. 2178
  11. 6354
  12. 7506
  13. 5436
  14. 4640
  15. 2493
  16. 5705
  17. 8856
  18. 2008
  19. 6561
  20. 685
  21. 1416
  22. 405
  23. 3528
  24. 2368
  25. 2946
  26. 2524
  27. 3222
  28. 3184
  29. 3896
  30. 3380
  31. 2904
  32. 1341
  33. 1504
  34. 1206
  35. 2214
  36. 4685
  37. 5229
  38. 5634
  39. 3144
  40. 3684

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