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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 403 · 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. 1.775 × 3 =
  2. 2.183 × 7 =
  3. 3.649 × 8 =
  4. 4.327 × 9 =
  5. 5.112 × 4 =
  6. 6.325 × 8 =
  7. 7.758 × 6 =
  8. 8.226 × 9 =
  9. 9.299 × 3 =
  10. 10.817 × 3 =
  11. 11.785 × 9 =
  12. 12.948 × 3 =
  13. 13.961 × 9 =
  14. 14.567 × 9 =
  15. 15.341 × 6 =
  16. 16.612 × 6 =
  17. 17.203 × 4 =
  18. 18.262 × 7 =
  19. 19.591 × 5 =
  20. 20.797 × 5 =
  21. 21.248 × 3 =
  22. 22.177 × 9 =
  23. 23.962 × 3 =
  24. 24.277 × 3 =
  25. 25.121 × 3 =
  26. 26.539 × 8 =
  27. 27.549 × 6 =
  28. 28.248 × 9 =
  29. 29.964 × 3 =
  30. 30.336 × 6 =
  31. 31.391 × 7 =
  32. 32.501 × 7 =
  33. 33.359 × 5 =
  34. 34.292 × 6 =
  35. 35.979 × 9 =
  36. 36.147 × 8 =
  37. 37.463 × 4 =
  38. 38.952 × 4 =
  39. 39.326 × 7 =
  40. 40.413 × 7 =

Answer key

  1. 2325
  2. 1281
  3. 5192
  4. 2943
  5. 448
  6. 2600
  7. 4548
  8. 2034
  9. 897
  10. 2451
  11. 7065
  12. 2844
  13. 8649
  14. 5103
  15. 2046
  16. 3672
  17. 812
  18. 1834
  19. 2955
  20. 3985
  21. 744
  22. 1593
  23. 2886
  24. 831
  25. 363
  26. 4312
  27. 3294
  28. 2232
  29. 2892
  30. 2016
  31. 2737
  32. 3507
  33. 1795
  34. 1752
  35. 8811
  36. 1176
  37. 1852
  38. 3808
  39. 2282
  40. 2891

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