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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 383 · 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. 1.957 × 3 =
  2. 2.966 × 3 =
  3. 3.688 × 3 =
  4. 4.154 × 6 =
  5. 5.751 × 6 =
  6. 6.172 × 6 =
  7. 7.479 × 5 =
  8. 8.538 × 6 =
  9. 9.126 × 7 =
  10. 10.423 × 8 =
  11. 11.967 × 5 =
  12. 12.501 × 8 =
  13. 13.295 × 7 =
  14. 14.882 × 4 =
  15. 15.478 × 5 =
  16. 16.949 × 8 =
  17. 17.261 × 4 =
  18. 18.857 × 6 =
  19. 19.871 × 7 =
  20. 20.719 × 3 =
  21. 21.927 × 3 =
  22. 22.774 × 3 =
  23. 23.727 × 4 =
  24. 24.174 × 3 =
  25. 25.331 × 9 =
  26. 26.601 × 3 =
  27. 27.267 × 8 =
  28. 28.223 × 9 =
  29. 29.535 × 4 =
  30. 30.742 × 5 =
  31. 31.503 × 9 =
  32. 32.893 × 8 =
  33. 33.703 × 6 =
  34. 34.939 × 8 =
  35. 35.826 × 9 =
  36. 36.491 × 7 =
  37. 37.171 × 7 =
  38. 38.961 × 3 =
  39. 39.988 × 9 =
  40. 40.635 × 7 =

Answer key

  1. 2871
  2. 2898
  3. 2064
  4. 924
  5. 4506
  6. 1032
  7. 2395
  8. 3228
  9. 882
  10. 3384
  11. 4835
  12. 4008
  13. 2065
  14. 3528
  15. 2390
  16. 7592
  17. 1044
  18. 5142
  19. 6097
  20. 2157
  21. 2781
  22. 2322
  23. 2908
  24. 522
  25. 2979
  26. 1803
  27. 2136
  28. 2007
  29. 2140
  30. 3710
  31. 4527
  32. 7144
  33. 4218
  34. 7512
  35. 7434
  36. 3437
  37. 1197
  38. 2883
  39. 8892
  40. 4445

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