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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 181 · 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. 2.114 × 5 =
  3. 3.167 × 7 =
  4. 4.399 × 7 =
  5. 5.775 × 9 =
  6. 6.731 × 5 =
  7. 7.222 × 6 =
  8. 8.852 × 5 =
  9. 9.508 × 6 =
  10. 10.248 × 3 =
  11. 11.695 × 4 =
  12. 12.776 × 9 =
  13. 13.581 × 9 =
  14. 14.641 × 5 =
  15. 15.631 × 7 =
  16. 16.585 × 4 =
  17. 17.883 × 6 =
  18. 18.687 × 8 =
  19. 19.434 × 8 =
  20. 20.488 × 6 =
  21. 21.381 × 5 =
  22. 22.882 × 8 =
  23. 23.782 × 9 =
  24. 24.491 × 4 =
  25. 25.834 × 4 =
  26. 26.678 × 5 =
  27. 27.203 × 5 =
  28. 28.283 × 9 =
  29. 29.389 × 3 =
  30. 30.938 × 8 =
  31. 31.887 × 6 =
  32. 32.525 × 7 =
  33. 33.831 × 6 =
  34. 34.315 × 7 =
  35. 35.119 × 7 =
  36. 36.537 × 9 =
  37. 37.335 × 7 =
  38. 38.806 × 5 =
  39. 39.121 × 9 =
  40. 40.905 × 7 =

Answer key

  1. 884
  2. 570
  3. 1169
  4. 2793
  5. 6975
  6. 3655
  7. 1332
  8. 4260
  9. 3048
  10. 744
  11. 2780
  12. 6984
  13. 5229
  14. 3205
  15. 4417
  16. 2340
  17. 5298
  18. 5496
  19. 3472
  20. 2928
  21. 1905
  22. 7056
  23. 7038
  24. 1964
  25. 3336
  26. 3390
  27. 1015
  28. 2547
  29. 1167
  30. 7504
  31. 5322
  32. 3675
  33. 4986
  34. 2205
  35. 833
  36. 4833
  37. 2345
  38. 4030
  39. 1089
  40. 6335

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