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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 233 · 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. 1.177 × 3 =
  2. 2.581 × 5 =
  3. 3.881 × 5 =
  4. 4.178 × 3 =
  5. 5.871 × 5 =
  6. 6.118 × 8 =
  7. 7.774 × 8 =
  8. 8.954 × 6 =
  9. 9.722 × 4 =
  10. 10.804 × 9 =
  11. 11.267 × 5 =
  12. 12.346 × 5 =
  13. 13.457 × 4 =
  14. 14.254 × 3 =
  15. 15.258 × 9 =
  16. 16.721 × 8 =
  17. 17.299 × 8 =
  18. 18.921 × 9 =
  19. 19.762 × 6 =
  20. 20.164 × 5 =
  21. 21.949 × 5 =
  22. 22.409 × 9 =
  23. 23.922 × 4 =
  24. 24.222 × 5 =
  25. 25.462 × 6 =
  26. 26.241 × 3 =
  27. 27.183 × 8 =
  28. 28.146 × 6 =
  29. 29.117 × 8 =
  30. 30.642 × 4 =
  31. 31.719 × 9 =
  32. 32.824 × 5 =
  33. 33.435 × 4 =
  34. 34.949 × 3 =
  35. 35.913 × 7 =
  36. 36.342 × 4 =
  37. 37.317 × 6 =
  38. 38.238 × 4 =
  39. 39.194 × 8 =
  40. 40.244 × 3 =

Answer key

  1. 531
  2. 2905
  3. 4405
  4. 534
  5. 4355
  6. 944
  7. 6192
  8. 5724
  9. 2888
  10. 7236
  11. 1335
  12. 1730
  13. 1828
  14. 762
  15. 2322
  16. 5768
  17. 2392
  18. 8289
  19. 4572
  20. 820
  21. 4745
  22. 3681
  23. 3688
  24. 1110
  25. 2772
  26. 723
  27. 1464
  28. 876
  29. 936
  30. 2568
  31. 6471
  32. 4120
  33. 1740
  34. 2847
  35. 6391
  36. 1368
  37. 1902
  38. 952
  39. 1552
  40. 732

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