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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 394 · 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. 1.521 × 8 =
  2. 2.705 × 8 =
  3. 3.277 × 3 =
  4. 4.251 × 6 =
  5. 5.687 × 7 =
  6. 6.321 × 3 =
  7. 7.709 × 3 =
  8. 8.395 × 6 =
  9. 9.677 × 8 =
  10. 10.342 × 7 =
  11. 11.194 × 7 =
  12. 12.981 × 6 =
  13. 13.869 × 8 =
  14. 14.524 × 9 =
  15. 15.981 × 7 =
  16. 16.726 × 3 =
  17. 17.558 × 3 =
  18. 18.676 × 9 =
  19. 19.828 × 8 =
  20. 20.941 × 7 =
  21. 21.315 × 8 =
  22. 22.763 × 4 =
  23. 23.337 × 9 =
  24. 24.811 × 7 =
  25. 25.475 × 4 =
  26. 26.426 × 9 =
  27. 27.762 × 6 =
  28. 28.263 × 6 =
  29. 29.381 × 8 =
  30. 30.323 × 6 =
  31. 31.385 × 5 =
  32. 32.204 × 7 =
  33. 33.522 × 3 =
  34. 34.322 × 6 =
  35. 35.314 × 3 =
  36. 36.732 × 3 =
  37. 37.321 × 7 =
  38. 38.301 × 3 =
  39. 39.694 × 5 =
  40. 40.918 × 4 =

Answer key

  1. 4168
  2. 5640
  3. 831
  4. 1506
  5. 4809
  6. 963
  7. 2127
  8. 2370
  9. 5416
  10. 2394
  11. 1358
  12. 5886
  13. 6952
  14. 4716
  15. 6867
  16. 2178
  17. 1674
  18. 6084
  19. 6624
  20. 6587
  21. 2520
  22. 3052
  23. 3033
  24. 5677
  25. 1900
  26. 3834
  27. 4572
  28. 1578
  29. 3048
  30. 1938
  31. 1925
  32. 1428
  33. 1566
  34. 1932
  35. 942
  36. 2196
  37. 2247
  38. 903
  39. 3470
  40. 3672

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