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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 500 · 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. 1.931 × 4 =
  2. 2.139 × 5 =
  3. 3.465 × 5 =
  4. 4.242 × 4 =
  5. 5.976 × 9 =
  6. 6.873 × 5 =
  7. 7.329 × 8 =
  8. 8.956 × 6 =
  9. 9.692 × 4 =
  10. 10.449 × 9 =
  11. 11.151 × 6 =
  12. 12.881 × 7 =
  13. 13.967 × 7 =
  14. 14.194 × 9 =
  15. 15.695 × 7 =
  16. 16.228 × 9 =
  17. 17.571 × 9 =
  18. 18.676 × 4 =
  19. 19.343 × 5 =
  20. 20.181 × 6 =
  21. 21.969 × 6 =
  22. 22.902 × 5 =
  23. 23.681 × 4 =
  24. 24.536 × 8 =
  25. 25.434 × 3 =
  26. 26.561 × 6 =
  27. 27.432 × 5 =
  28. 28.252 × 9 =
  29. 29.872 × 5 =
  30. 30.625 × 5 =
  31. 31.124 × 8 =
  32. 32.713 × 5 =
  33. 33.569 × 9 =
  34. 34.522 × 9 =
  35. 35.329 × 7 =
  36. 36.591 × 8 =
  37. 37.158 × 8 =
  38. 38.321 × 3 =
  39. 39.791 × 7 =
  40. 40.911 × 8 =

Answer key

  1. 3724
  2. 695
  3. 2325
  4. 968
  5. 8784
  6. 4365
  7. 2632
  8. 5736
  9. 2768
  10. 4041
  11. 906
  12. 6167
  13. 6769
  14. 1746
  15. 4865
  16. 2052
  17. 5139
  18. 2704
  19. 1715
  20. 1086
  21. 5814
  22. 4510
  23. 2724
  24. 4288
  25. 1302
  26. 3366
  27. 2160
  28. 2268
  29. 4360
  30. 3125
  31. 992
  32. 3565
  33. 5121
  34. 4698
  35. 2303
  36. 4728
  37. 1264
  38. 963
  39. 5537
  40. 7288

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