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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 184 · 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. 1.794 × 8 =
  2. 2.692 × 4 =
  3. 3.322 × 7 =
  4. 4.717 × 5 =
  5. 5.304 × 9 =
  6. 6.661 × 9 =
  7. 7.665 × 3 =
  8. 8.637 × 3 =
  9. 9.812 × 6 =
  10. 10.635 × 6 =
  11. 11.861 × 4 =
  12. 12.269 × 3 =
  13. 13.688 × 9 =
  14. 14.194 × 3 =
  15. 15.729 × 4 =
  16. 16.227 × 5 =
  17. 17.627 × 4 =
  18. 18.415 × 9 =
  19. 19.501 × 8 =
  20. 20.807 × 4 =
  21. 21.118 × 5 =
  22. 22.573 × 5 =
  23. 23.732 × 3 =
  24. 24.553 × 8 =
  25. 25.206 × 6 =
  26. 26.493 × 8 =
  27. 27.323 × 8 =
  28. 28.309 × 4 =
  29. 29.919 × 9 =
  30. 30.241 × 3 =
  31. 31.761 × 5 =
  32. 32.439 × 9 =
  33. 33.291 × 8 =
  34. 34.894 × 5 =
  35. 35.341 × 6 =
  36. 36.445 × 4 =
  37. 37.581 × 5 =
  38. 38.754 × 7 =
  39. 39.203 × 8 =
  40. 40.812 × 9 =

Answer key

  1. 6352
  2. 2768
  3. 2254
  4. 3585
  5. 2736
  6. 5949
  7. 1995
  8. 1911
  9. 4872
  10. 3810
  11. 3444
  12. 807
  13. 6192
  14. 582
  15. 2916
  16. 1135
  17. 2508
  18. 3735
  19. 4008
  20. 3228
  21. 590
  22. 2865
  23. 2196
  24. 4424
  25. 1236
  26. 3944
  27. 2584
  28. 1236
  29. 8271
  30. 723
  31. 3805
  32. 3951
  33. 2328
  34. 4470
  35. 2046
  36. 1780
  37. 2905
  38. 5278
  39. 1624
  40. 7308

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