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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 165 · 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. 1.438 × 6 =
  2. 2.671 × 7 =
  3. 3.537 × 7 =
  4. 4.201 × 5 =
  5. 5.966 × 9 =
  6. 6.695 × 5 =
  7. 7.506 × 8 =
  8. 8.649 × 5 =
  9. 9.251 × 5 =
  10. 10.625 × 8 =
  11. 11.654 × 7 =
  12. 12.546 × 9 =
  13. 13.463 × 4 =
  14. 14.909 × 6 =
  15. 15.727 × 3 =
  16. 16.135 × 4 =
  17. 17.931 × 3 =
  18. 18.589 × 5 =
  19. 19.566 × 7 =
  20. 20.374 × 7 =
  21. 21.276 × 4 =
  22. 22.689 × 8 =
  23. 23.981 × 8 =
  24. 24.956 × 6 =
  25. 25.161 × 8 =
  26. 26.135 × 8 =
  27. 27.866 × 8 =
  28. 28.973 × 4 =
  29. 29.198 × 6 =
  30. 30.468 × 7 =
  31. 31.292 × 5 =
  32. 32.248 × 9 =
  33. 33.962 × 7 =
  34. 34.671 × 4 =
  35. 35.279 × 9 =
  36. 36.841 × 9 =
  37. 37.539 × 7 =
  38. 38.361 × 6 =
  39. 39.291 × 9 =
  40. 40.852 × 9 =

Answer key

  1. 2628
  2. 4697
  3. 3759
  4. 1005
  5. 8694
  6. 3475
  7. 4048
  8. 3245
  9. 1255
  10. 5000
  11. 4578
  12. 4914
  13. 1852
  14. 5454
  15. 2181
  16. 540
  17. 2793
  18. 2945
  19. 3962
  20. 2618
  21. 1104
  22. 5512
  23. 7848
  24. 5736
  25. 1288
  26. 1080
  27. 6928
  28. 3892
  29. 1188
  30. 3276
  31. 1460
  32. 2232
  33. 6734
  34. 2684
  35. 2511
  36. 7569
  37. 3773
  38. 2166
  39. 2619
  40. 7668

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