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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 53 · 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. 1.316 × 4 =
  2. 2.531 × 5 =
  3. 3.165 × 7 =
  4. 4.549 × 6 =
  5. 5.943 × 6 =
  6. 6.224 × 9 =
  7. 7.516 × 3 =
  8. 8.743 × 4 =
  9. 9.968 × 7 =
  10. 10.132 × 5 =
  11. 11.191 × 9 =
  12. 12.591 × 6 =
  13. 13.157 × 9 =
  14. 14.761 × 4 =
  15. 15.815 × 9 =
  16. 16.602 × 5 =
  17. 17.491 × 7 =
  18. 18.783 × 9 =
  19. 19.984 × 7 =
  20. 20.191 × 6 =
  21. 21.442 × 8 =
  22. 22.763 × 3 =
  23. 23.989 × 6 =
  24. 24.719 × 6 =
  25. 25.259 × 8 =
  26. 26.868 × 5 =
  27. 27.858 × 4 =
  28. 28.981 × 5 =
  29. 29.928 × 3 =
  30. 30.784 × 3 =
  31. 31.405 × 3 =
  32. 32.627 × 6 =
  33. 33.936 × 9 =
  34. 34.975 × 3 =
  35. 35.817 × 4 =
  36. 36.977 × 3 =
  37. 37.239 × 7 =
  38. 38.931 × 8 =
  39. 39.198 × 3 =
  40. 40.719 × 5 =

Answer key

  1. 1264
  2. 2655
  3. 1155
  4. 3294
  5. 5658
  6. 2016
  7. 1548
  8. 2972
  9. 6776
  10. 660
  11. 1719
  12. 3546
  13. 1413
  14. 3044
  15. 7335
  16. 3010
  17. 3437
  18. 7047
  19. 6888
  20. 1146
  21. 3536
  22. 2289
  23. 5934
  24. 4314
  25. 2072
  26. 4340
  27. 3432
  28. 4905
  29. 2784
  30. 2352
  31. 1215
  32. 3762
  33. 8424
  34. 2925
  35. 3268
  36. 2931
  37. 1673
  38. 7448
  39. 594
  40. 3595

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