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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 596 · 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. 1.574 × 7 =
  2. 2.596 × 9 =
  3. 3.438 × 8 =
  4. 4.504 × 7 =
  5. 5.419 × 3 =
  6. 6.139 × 4 =
  7. 7.121 × 5 =
  8. 8.901 × 9 =
  9. 9.321 × 3 =
  10. 10.694 × 5 =
  11. 11.532 × 9 =
  12. 12.182 × 3 =
  13. 13.241 × 7 =
  14. 14.306 × 8 =
  15. 15.481 × 9 =
  16. 16.248 × 8 =
  17. 17.181 × 8 =
  18. 18.223 × 6 =
  19. 19.274 × 7 =
  20. 20.713 × 4 =
  21. 21.377 × 9 =
  22. 22.683 × 3 =
  23. 23.926 × 4 =
  24. 24.907 × 3 =
  25. 25.888 × 3 =
  26. 26.845 × 8 =
  27. 27.564 × 4 =
  28. 28.683 × 5 =
  29. 29.524 × 7 =
  30. 30.577 × 5 =
  31. 31.671 × 8 =
  32. 32.576 × 4 =
  33. 33.347 × 7 =
  34. 34.148 × 6 =
  35. 35.929 × 7 =
  36. 36.484 × 4 =
  37. 37.188 × 3 =
  38. 38.135 × 9 =
  39. 39.326 × 3 =
  40. 40.241 × 4 =

Answer key

  1. 4018
  2. 5364
  3. 3504
  4. 3528
  5. 1257
  6. 556
  7. 605
  8. 8109
  9. 963
  10. 3470
  11. 4788
  12. 546
  13. 1687
  14. 2448
  15. 4329
  16. 1984
  17. 1448
  18. 1338
  19. 1918
  20. 2852
  21. 3393
  22. 2049
  23. 3704
  24. 2721
  25. 2664
  26. 6760
  27. 2256
  28. 3415
  29. 3668
  30. 2885
  31. 5368
  32. 2304
  33. 2429
  34. 888
  35. 6503
  36. 1936
  37. 564
  38. 1215
  39. 978
  40. 964

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