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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 52 · 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. 1.188 × 7 =
  2. 2.316 × 3 =
  3. 3.731 × 4 =
  4. 4.786 × 4 =
  5. 5.634 × 5 =
  6. 6.909 × 3 =
  7. 7.465 × 8 =
  8. 8.988 × 9 =
  9. 9.584 × 7 =
  10. 10.672 × 5 =
  11. 11.361 × 7 =
  12. 12.439 × 4 =
  13. 13.531 × 3 =
  14. 14.988 × 3 =
  15. 15.181 × 4 =
  16. 16.155 × 9 =
  17. 17.517 × 3 =
  18. 18.508 × 3 =
  19. 19.895 × 9 =
  20. 20.197 × 3 =
  21. 21.206 × 8 =
  22. 22.958 × 7 =
  23. 23.811 × 8 =
  24. 24.652 × 9 =
  25. 25.822 × 5 =
  26. 26.809 × 8 =
  27. 27.315 × 5 =
  28. 28.551 × 7 =
  29. 29.976 × 7 =
  30. 30.641 × 3 =
  31. 31.829 × 3 =
  32. 32.742 × 3 =
  33. 33.142 × 6 =
  34. 34.348 × 5 =
  35. 35.611 × 5 =
  36. 36.192 × 7 =
  37. 37.288 × 4 =
  38. 38.507 × 8 =
  39. 39.536 × 5 =
  40. 40.786 × 9 =

Answer key

  1. 1316
  2. 948
  3. 2924
  4. 3144
  5. 3170
  6. 2727
  7. 3720
  8. 8892
  9. 4088
  10. 3360
  11. 2527
  12. 1756
  13. 1593
  14. 2964
  15. 724
  16. 1395
  17. 1551
  18. 1524
  19. 8055
  20. 591
  21. 1648
  22. 6706
  23. 6488
  24. 5868
  25. 4110
  26. 6472
  27. 1575
  28. 3857
  29. 6832
  30. 1923
  31. 2487
  32. 2226
  33. 852
  34. 1740
  35. 3055
  36. 1344
  37. 1152
  38. 4056
  39. 2680
  40. 7074

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