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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 574 · 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. 1.231 × 7 =
  2. 2.143 × 3 =
  3. 3.973 × 3 =
  4. 4.838 × 7 =
  5. 5.594 × 3 =
  6. 6.467 × 4 =
  7. 7.809 × 5 =
  8. 8.613 × 3 =
  9. 9.543 × 3 =
  10. 10.964 × 9 =
  11. 11.154 × 4 =
  12. 12.318 × 6 =
  13. 13.131 × 3 =
  14. 14.154 × 9 =
  15. 15.681 × 7 =
  16. 16.297 × 5 =
  17. 17.131 × 7 =
  18. 18.945 × 4 =
  19. 19.817 × 5 =
  20. 20.437 × 4 =
  21. 21.396 × 9 =
  22. 22.326 × 6 =
  23. 23.665 × 7 =
  24. 24.411 × 3 =
  25. 25.213 × 4 =
  26. 26.937 × 9 =
  27. 27.956 × 3 =
  28. 28.113 × 9 =
  29. 29.461 × 5 =
  30. 30.382 × 6 =
  31. 31.121 × 3 =
  32. 32.776 × 5 =
  33. 33.759 × 8 =
  34. 34.147 × 4 =
  35. 35.454 × 8 =
  36. 36.553 × 6 =
  37. 37.175 × 5 =
  38. 38.519 × 8 =
  39. 39.281 × 5 =
  40. 40.343 × 3 =

Answer key

  1. 1617
  2. 429
  3. 2919
  4. 5866
  5. 1782
  6. 1868
  7. 4045
  8. 1839
  9. 1629
  10. 8676
  11. 616
  12. 1908
  13. 393
  14. 1386
  15. 4767
  16. 1485
  17. 917
  18. 3780
  19. 4085
  20. 1748
  21. 3564
  22. 1956
  23. 4655
  24. 1233
  25. 852
  26. 8433
  27. 2868
  28. 1017
  29. 2305
  30. 2292
  31. 363
  32. 3880
  33. 6072
  34. 588
  35. 3632
  36. 3318
  37. 875
  38. 4152
  39. 1405
  40. 1029

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