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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 275 · 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. 1.221 × 4 =
  2. 2.524 × 4 =
  3. 3.821 × 8 =
  4. 4.228 × 4 =
  5. 5.828 × 9 =
  6. 6.676 × 6 =
  7. 7.509 × 8 =
  8. 8.566 × 8 =
  9. 9.476 × 8 =
  10. 10.429 × 7 =
  11. 11.211 × 7 =
  12. 12.659 × 5 =
  13. 13.219 × 5 =
  14. 14.389 × 5 =
  15. 15.198 × 3 =
  16. 16.529 × 4 =
  17. 17.951 × 7 =
  18. 18.702 × 6 =
  19. 19.347 × 7 =
  20. 20.297 × 3 =
  21. 21.617 × 3 =
  22. 22.415 × 3 =
  23. 23.546 × 6 =
  24. 24.393 × 6 =
  25. 25.443 × 6 =
  26. 26.172 × 7 =
  27. 27.325 × 8 =
  28. 28.966 × 6 =
  29. 29.691 × 4 =
  30. 30.543 × 9 =
  31. 31.408 × 7 =
  32. 32.117 × 9 =
  33. 33.226 × 6 =
  34. 34.321 × 6 =
  35. 35.964 × 6 =
  36. 36.761 × 8 =
  37. 37.896 × 6 =
  38. 38.361 × 6 =
  39. 39.189 × 3 =
  40. 40.771 × 9 =

Answer key

  1. 884
  2. 2096
  3. 6568
  4. 912
  5. 7452
  6. 4056
  7. 4072
  8. 4528
  9. 3808
  10. 3003
  11. 1477
  12. 3295
  13. 1095
  14. 1945
  15. 594
  16. 2116
  17. 6657
  18. 4212
  19. 2429
  20. 891
  21. 1851
  22. 1245
  23. 3276
  24. 2358
  25. 2658
  26. 1204
  27. 2600
  28. 5796
  29. 2764
  30. 4887
  31. 2856
  32. 1053
  33. 1356
  34. 1926
  35. 5784
  36. 6088
  37. 5376
  38. 2166
  39. 567
  40. 6939

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