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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 784 · 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. 1.541 × 6 =
  2. 2.377 × 7 =
  3. 3.281 × 7 =
  4. 4.226 × 3 =
  5. 5.497 × 8 =
  6. 6.339 × 8 =
  7. 7.527 × 8 =
  8. 8.937 × 9 =
  9. 9.871 × 3 =
  10. 10.133 × 8 =
  11. 11.564 × 9 =
  12. 12.251 × 3 =
  13. 13.956 × 7 =
  14. 14.401 × 4 =
  15. 15.386 × 4 =
  16. 16.592 × 8 =
  17. 17.502 × 4 =
  18. 18.653 × 7 =
  19. 19.237 × 3 =
  20. 20.585 × 9 =
  21. 21.584 × 7 =
  22. 22.704 × 3 =
  23. 23.828 × 4 =
  24. 24.129 × 3 =
  25. 25.288 × 7 =
  26. 26.793 × 7 =
  27. 27.292 × 4 =
  28. 28.116 × 4 =
  29. 29.698 × 4 =
  30. 30.803 × 7 =
  31. 31.946 × 9 =
  32. 32.482 × 6 =
  33. 33.739 × 4 =
  34. 34.741 × 8 =
  35. 35.579 × 5 =
  36. 36.392 × 6 =
  37. 37.315 × 3 =
  38. 38.954 × 8 =
  39. 39.571 × 6 =
  40. 40.117 × 3 =

Answer key

  1. 3246
  2. 2639
  3. 1967
  4. 678
  5. 3976
  6. 2712
  7. 4216
  8. 8433
  9. 2613
  10. 1064
  11. 5076
  12. 753
  13. 6692
  14. 1604
  15. 1544
  16. 4736
  17. 2008
  18. 4571
  19. 711
  20. 5265
  21. 4088
  22. 2112
  23. 3312
  24. 387
  25. 2016
  26. 5551
  27. 1168
  28. 464
  29. 2792
  30. 5621
  31. 8514
  32. 2892
  33. 2956
  34. 5928
  35. 2895
  36. 2352
  37. 945
  38. 7632
  39. 3426
  40. 351

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