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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 336 · 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. 1.224 × 6 =
  2. 2.414 × 5 =
  3. 3.323 × 3 =
  4. 4.409 × 9 =
  5. 5.969 × 3 =
  6. 6.143 × 6 =
  7. 7.898 × 4 =
  8. 8.978 × 7 =
  9. 9.792 × 3 =
  10. 10.966 × 8 =
  11. 11.611 × 6 =
  12. 12.317 × 9 =
  13. 13.771 × 4 =
  14. 14.727 × 9 =
  15. 15.831 × 6 =
  16. 16.832 × 5 =
  17. 17.691 × 8 =
  18. 18.482 × 3 =
  19. 19.142 × 9 =
  20. 20.882 × 7 =
  21. 21.678 × 6 =
  22. 22.837 × 6 =
  23. 23.806 × 4 =
  24. 24.972 × 3 =
  25. 25.582 × 6 =
  26. 26.904 × 3 =
  27. 27.647 × 9 =
  28. 28.282 × 3 =
  29. 29.408 × 5 =
  30. 30.173 × 9 =
  31. 31.295 × 6 =
  32. 32.195 × 9 =
  33. 33.931 × 8 =
  34. 34.184 × 5 =
  35. 35.971 × 3 =
  36. 36.975 × 6 =
  37. 37.205 × 7 =
  38. 38.942 × 8 =
  39. 39.167 × 6 =
  40. 40.291 × 5 =

Answer key

  1. 1344
  2. 2070
  3. 969
  4. 3681
  5. 2907
  6. 858
  7. 3592
  8. 6846
  9. 2376
  10. 7728
  11. 3666
  12. 2853
  13. 3084
  14. 6543
  15. 4986
  16. 4160
  17. 5528
  18. 1446
  19. 1278
  20. 6174
  21. 4068
  22. 5022
  23. 3224
  24. 2916
  25. 3492
  26. 2712
  27. 5823
  28. 846
  29. 2040
  30. 1557
  31. 1770
  32. 1755
  33. 7448
  34. 920
  35. 2913
  36. 5850
  37. 1435
  38. 7536
  39. 1002
  40. 1455

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