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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 773 · 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. 1.644 × 8 =
  2. 2.934 × 3 =
  3. 3.369 × 3 =
  4. 4.441 × 8 =
  5. 5.301 × 9 =
  6. 6.241 × 3 =
  7. 7.239 × 9 =
  8. 8.631 × 9 =
  9. 9.846 × 5 =
  10. 10.853 × 6 =
  11. 11.161 × 6 =
  12. 12.477 × 5 =
  13. 13.921 × 8 =
  14. 14.261 × 3 =
  15. 15.951 × 9 =
  16. 16.317 × 9 =
  17. 17.403 × 6 =
  18. 18.649 × 3 =
  19. 19.341 × 4 =
  20. 20.363 × 8 =
  21. 21.682 × 5 =
  22. 22.526 × 3 =
  23. 23.833 × 3 =
  24. 24.538 × 5 =
  25. 25.672 × 9 =
  26. 26.227 × 7 =
  27. 27.836 × 4 =
  28. 28.437 × 8 =
  29. 29.717 × 6 =
  30. 30.648 × 4 =
  31. 31.793 × 5 =
  32. 32.362 × 7 =
  33. 33.691 × 6 =
  34. 34.137 × 8 =
  35. 35.931 × 7 =
  36. 36.554 × 8 =
  37. 37.789 × 9 =
  38. 38.621 × 7 =
  39. 39.787 × 6 =
  40. 40.642 × 8 =

Answer key

  1. 5152
  2. 2802
  3. 1107
  4. 3528
  5. 2709
  6. 723
  7. 2151
  8. 5679
  9. 4230
  10. 5118
  11. 966
  12. 2385
  13. 7368
  14. 783
  15. 8559
  16. 2853
  17. 2418
  18. 1947
  19. 1364
  20. 2904
  21. 3410
  22. 1578
  23. 2499
  24. 2690
  25. 6048
  26. 1589
  27. 3344
  28. 3496
  29. 4302
  30. 2592
  31. 3965
  32. 2534
  33. 4146
  34. 1096
  35. 6517
  36. 4432
  37. 7101
  38. 4347
  39. 4722
  40. 5136

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