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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 343 · 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. 1.936 × 8 =
  2. 2.882 × 5 =
  3. 3.689 × 4 =
  4. 4.541 × 8 =
  5. 5.269 × 5 =
  6. 6.557 × 4 =
  7. 7.654 × 3 =
  8. 8.963 × 6 =
  9. 9.115 × 3 =
  10. 10.781 × 6 =
  11. 11.662 × 9 =
  12. 12.358 × 9 =
  13. 13.977 × 4 =
  14. 14.277 × 4 =
  15. 15.405 × 6 =
  16. 16.817 × 8 =
  17. 17.791 × 4 =
  18. 18.675 × 8 =
  19. 19.739 × 5 =
  20. 20.967 × 4 =
  21. 21.198 × 3 =
  22. 22.287 × 6 =
  23. 23.483 × 4 =
  24. 24.138 × 7 =
  25. 25.551 × 9 =
  26. 26.864 × 3 =
  27. 27.671 × 9 =
  28. 28.872 × 6 =
  29. 29.755 × 8 =
  30. 30.415 × 4 =
  31. 31.882 × 4 =
  32. 32.878 × 7 =
  33. 33.293 × 8 =
  34. 34.939 × 9 =
  35. 35.209 × 6 =
  36. 36.202 × 3 =
  37. 37.391 × 6 =
  38. 38.217 × 9 =
  39. 39.699 × 5 =
  40. 40.383 × 4 =

Answer key

  1. 7488
  2. 4410
  3. 2756
  4. 4328
  5. 1345
  6. 2228
  7. 1962
  8. 5778
  9. 345
  10. 4686
  11. 5958
  12. 3222
  13. 3908
  14. 1108
  15. 2430
  16. 6536
  17. 3164
  18. 5400
  19. 3695
  20. 3868
  21. 594
  22. 1722
  23. 1932
  24. 966
  25. 4959
  26. 2592
  27. 6039
  28. 5232
  29. 6040
  30. 1660
  31. 3528
  32. 6146
  33. 2344
  34. 8451
  35. 1254
  36. 606
  37. 2346
  38. 1953
  39. 3495
  40. 1532

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