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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 851 · 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. 1.949 × 8 =
  2. 2.288 × 3 =
  3. 3.915 × 4 =
  4. 4.132 × 7 =
  5. 5.286 × 8 =
  6. 6.299 × 8 =
  7. 7.989 × 7 =
  8. 8.597 × 3 =
  9. 9.384 × 3 =
  10. 10.241 × 6 =
  11. 11.177 × 6 =
  12. 12.859 × 6 =
  13. 13.351 × 5 =
  14. 14.886 × 4 =
  15. 15.296 × 4 =
  16. 16.683 × 7 =
  17. 17.623 × 5 =
  18. 18.921 × 3 =
  19. 19.581 × 7 =
  20. 20.696 × 4 =
  21. 21.669 × 4 =
  22. 22.972 × 7 =
  23. 23.883 × 8 =
  24. 24.284 × 3 =
  25. 25.124 × 6 =
  26. 26.872 × 9 =
  27. 27.478 × 4 =
  28. 28.538 × 8 =
  29. 29.872 × 8 =
  30. 30.931 × 5 =
  31. 31.683 × 6 =
  32. 32.596 × 3 =
  33. 33.359 × 4 =
  34. 34.835 × 8 =
  35. 35.437 × 8 =
  36. 36.364 × 4 =
  37. 37.114 × 9 =
  38. 38.493 × 7 =
  39. 39.841 × 4 =
  40. 40.584 × 9 =

Answer key

  1. 7592
  2. 864
  3. 3660
  4. 924
  5. 2288
  6. 2392
  7. 6923
  8. 1791
  9. 1152
  10. 1446
  11. 1062
  12. 5154
  13. 1755
  14. 3544
  15. 1184
  16. 4781
  17. 3115
  18. 2763
  19. 4067
  20. 2784
  21. 2676
  22. 6804
  23. 7064
  24. 852
  25. 744
  26. 7848
  27. 1912
  28. 4304
  29. 6976
  30. 4655
  31. 4098
  32. 1788
  33. 1436
  34. 6680
  35. 3496
  36. 1456
  37. 1026
  38. 3451
  39. 3364
  40. 5256

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