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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 693 · 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. 1.174 × 8 =
  2. 2.633 × 6 =
  3. 3.553 × 3 =
  4. 4.673 × 7 =
  5. 5.525 × 7 =
  6. 6.663 × 9 =
  7. 7.192 × 7 =
  8. 8.581 × 9 =
  9. 9.801 × 6 =
  10. 10.962 × 3 =
  11. 11.261 × 8 =
  12. 12.451 × 3 =
  13. 13.953 × 9 =
  14. 14.824 × 6 =
  15. 15.245 × 5 =
  16. 16.518 × 7 =
  17. 17.245 × 9 =
  18. 18.216 × 4 =
  19. 19.452 × 7 =
  20. 20.237 × 6 =
  21. 21.194 × 6 =
  22. 22.809 × 8 =
  23. 23.634 × 7 =
  24. 24.875 × 6 =
  25. 25.805 × 3 =
  26. 26.241 × 8 =
  27. 27.374 × 3 =
  28. 28.645 × 4 =
  29. 29.853 × 8 =
  30. 30.727 × 6 =
  31. 31.933 × 6 =
  32. 32.726 × 7 =
  33. 33.543 × 3 =
  34. 34.813 × 4 =
  35. 35.347 × 5 =
  36. 36.413 × 6 =
  37. 37.267 × 4 =
  38. 38.175 × 8 =
  39. 39.495 × 7 =
  40. 40.639 × 6 =

Answer key

  1. 1392
  2. 3798
  3. 1659
  4. 4711
  5. 3675
  6. 5967
  7. 1344
  8. 5229
  9. 4806
  10. 2886
  11. 2088
  12. 1353
  13. 8577
  14. 4944
  15. 1225
  16. 3626
  17. 2205
  18. 864
  19. 3164
  20. 1422
  21. 1164
  22. 6472
  23. 4438
  24. 5250
  25. 2415
  26. 1928
  27. 1122
  28. 2580
  29. 6824
  30. 4362
  31. 5598
  32. 5082
  33. 1629
  34. 3252
  35. 1735
  36. 2478
  37. 1068
  38. 1400
  39. 3465
  40. 3834

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