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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 686 · 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. 1.963 × 5 =
  2. 2.151 × 4 =
  3. 3.931 × 9 =
  4. 4.361 × 3 =
  5. 5.255 × 4 =
  6. 6.351 × 3 =
  7. 7.269 × 6 =
  8. 8.525 × 4 =
  9. 9.539 × 8 =
  10. 10.811 × 6 =
  11. 11.942 × 9 =
  12. 12.327 × 6 =
  13. 13.895 × 4 =
  14. 14.541 × 9 =
  15. 15.739 × 7 =
  16. 16.403 × 7 =
  17. 17.373 × 5 =
  18. 18.864 × 6 =
  19. 19.313 × 5 =
  20. 20.577 × 4 =
  21. 21.231 × 4 =
  22. 22.381 × 6 =
  23. 23.359 × 7 =
  24. 24.872 × 5 =
  25. 25.451 × 7 =
  26. 26.653 × 9 =
  27. 27.422 × 4 =
  28. 28.794 × 4 =
  29. 29.413 × 7 =
  30. 30.971 × 7 =
  31. 31.278 × 7 =
  32. 32.317 × 4 =
  33. 33.485 × 5 =
  34. 34.584 × 6 =
  35. 35.821 × 5 =
  36. 36.724 × 9 =
  37. 37.983 × 8 =
  38. 38.512 × 9 =
  39. 39.302 × 8 =
  40. 40.817 × 7 =

Answer key

  1. 4815
  2. 604
  3. 8379
  4. 1083
  5. 1020
  6. 1053
  7. 1614
  8. 2100
  9. 4312
  10. 4866
  11. 8478
  12. 1962
  13. 3580
  14. 4869
  15. 5173
  16. 2821
  17. 1865
  18. 5184
  19. 1565
  20. 2308
  21. 924
  22. 2286
  23. 2513
  24. 4360
  25. 3157
  26. 5877
  27. 1688
  28. 3176
  29. 2891
  30. 6797
  31. 1946
  32. 1268
  33. 2425
  34. 3504
  35. 4105
  36. 6516
  37. 7864
  38. 4608
  39. 2416
  40. 5719

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