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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 780 · 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. 1.711 × 7 =
  2. 2.904 × 4 =
  3. 3.342 × 5 =
  4. 4.975 × 4 =
  5. 5.987 × 6 =
  6. 6.911 × 9 =
  7. 7.667 × 3 =
  8. 8.976 × 6 =
  9. 9.601 × 4 =
  10. 10.827 × 5 =
  11. 11.551 × 5 =
  12. 12.157 × 6 =
  13. 13.583 × 9 =
  14. 14.368 × 8 =
  15. 15.229 × 4 =
  16. 16.323 × 3 =
  17. 17.941 × 7 =
  18. 18.903 × 8 =
  19. 19.798 × 8 =
  20. 20.306 × 9 =
  21. 21.968 × 4 =
  22. 22.165 × 9 =
  23. 23.404 × 5 =
  24. 24.452 × 9 =
  25. 25.794 × 9 =
  26. 26.291 × 8 =
  27. 27.118 × 3 =
  28. 28.733 × 4 =
  29. 29.198 × 9 =
  30. 30.194 × 7 =
  31. 31.417 × 6 =
  32. 32.319 × 5 =
  33. 33.292 × 9 =
  34. 34.121 × 4 =
  35. 35.565 × 9 =
  36. 36.901 × 8 =
  37. 37.171 × 7 =
  38. 38.204 × 4 =
  39. 39.504 × 6 =
  40. 40.272 × 4 =

Answer key

  1. 4977
  2. 3616
  3. 1710
  4. 3900
  5. 5922
  6. 8199
  7. 2001
  8. 5856
  9. 2404
  10. 4135
  11. 2755
  12. 942
  13. 5247
  14. 2944
  15. 916
  16. 969
  17. 6587
  18. 7224
  19. 6384
  20. 2754
  21. 3872
  22. 1485
  23. 2020
  24. 4068
  25. 7146
  26. 2328
  27. 354
  28. 2932
  29. 1782
  30. 1358
  31. 2502
  32. 1595
  33. 2628
  34. 484
  35. 5085
  36. 7208
  37. 1197
  38. 816
  39. 3024
  40. 1088

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