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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 316 · 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. 1.651 × 7 =
  2. 2.836 × 6 =
  3. 3.611 × 4 =
  4. 4.667 × 8 =
  5. 5.965 × 5 =
  6. 6.349 × 7 =
  7. 7.574 × 5 =
  8. 8.721 × 7 =
  9. 9.678 × 5 =
  10. 10.363 × 8 =
  11. 11.225 × 9 =
  12. 12.117 × 9 =
  13. 13.509 × 8 =
  14. 14.365 × 6 =
  15. 15.692 × 5 =
  16. 16.928 × 3 =
  17. 17.308 × 8 =
  18. 18.622 × 8 =
  19. 19.164 × 5 =
  20. 20.234 × 9 =
  21. 21.119 × 3 =
  22. 22.702 × 4 =
  23. 23.533 × 7 =
  24. 24.183 × 7 =
  25. 25.942 × 7 =
  26. 26.556 × 7 =
  27. 27.251 × 6 =
  28. 28.922 × 3 =
  29. 29.711 × 9 =
  30. 30.906 × 9 =
  31. 31.128 × 3 =
  32. 32.296 × 3 =
  33. 33.666 × 3 =
  34. 34.899 × 7 =
  35. 35.362 × 8 =
  36. 36.729 × 6 =
  37. 37.695 × 6 =
  38. 38.147 × 6 =
  39. 39.533 × 4 =
  40. 40.189 × 9 =

Answer key

  1. 4557
  2. 5016
  3. 2444
  4. 5336
  5. 4825
  6. 2443
  7. 2870
  8. 5047
  9. 3390
  10. 2904
  11. 2025
  12. 1053
  13. 4072
  14. 2190
  15. 3460
  16. 2784
  17. 2464
  18. 4976
  19. 820
  20. 2106
  21. 357
  22. 2808
  23. 3731
  24. 1281
  25. 6594
  26. 3892
  27. 1506
  28. 2766
  29. 6399
  30. 8154
  31. 384
  32. 888
  33. 1998
  34. 6293
  35. 2896
  36. 4374
  37. 4170
  38. 882
  39. 2132
  40. 1701

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