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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 144 · 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. 1.561 × 7 =
  2. 2.904 × 9 =
  3. 3.539 × 5 =
  4. 4.939 × 7 =
  5. 5.508 × 6 =
  6. 6.789 × 3 =
  7. 7.153 × 5 =
  8. 8.895 × 3 =
  9. 9.918 × 7 =
  10. 10.369 × 4 =
  11. 11.282 × 7 =
  12. 12.166 × 5 =
  13. 13.936 × 8 =
  14. 14.746 × 8 =
  15. 15.958 × 3 =
  16. 16.484 × 4 =
  17. 17.985 × 5 =
  18. 18.562 × 7 =
  19. 19.223 × 9 =
  20. 20.694 × 9 =
  21. 21.214 × 9 =
  22. 22.922 × 6 =
  23. 23.616 × 4 =
  24. 24.273 × 3 =
  25. 25.259 × 8 =
  26. 26.731 × 6 =
  27. 27.953 × 4 =
  28. 28.225 × 6 =
  29. 29.493 × 9 =
  30. 30.954 × 6 =
  31. 31.358 × 5 =
  32. 32.933 × 7 =
  33. 33.424 × 6 =
  34. 34.237 × 6 =
  35. 35.361 × 3 =
  36. 36.751 × 7 =
  37. 37.285 × 4 =
  38. 38.339 × 6 =
  39. 39.976 × 4 =
  40. 40.803 × 8 =

Answer key

  1. 3927
  2. 8136
  3. 2695
  4. 6573
  5. 3048
  6. 2367
  7. 765
  8. 2685
  9. 6426
  10. 1476
  11. 1974
  12. 830
  13. 7488
  14. 5968
  15. 2874
  16. 1936
  17. 4925
  18. 3934
  19. 2007
  20. 6246
  21. 1926
  22. 5532
  23. 2464
  24. 819
  25. 2072
  26. 4386
  27. 3812
  28. 1350
  29. 4437
  30. 5724
  31. 1790
  32. 6531
  33. 2544
  34. 1422
  35. 1083
  36. 5257
  37. 1140
  38. 2034
  39. 3904
  40. 6424

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