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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 657 · 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. 1.922 × 6 =
  2. 2.756 × 8 =
  3. 3.871 × 7 =
  4. 4.646 × 9 =
  5. 5.534 × 9 =
  6. 6.831 × 6 =
  7. 7.949 × 9 =
  8. 8.226 × 8 =
  9. 9.227 × 7 =
  10. 10.843 × 6 =
  11. 11.124 × 9 =
  12. 12.296 × 3 =
  13. 13.371 × 7 =
  14. 14.289 × 8 =
  15. 15.883 × 3 =
  16. 16.764 × 4 =
  17. 17.982 × 3 =
  18. 18.542 × 6 =
  19. 19.907 × 8 =
  20. 20.887 × 7 =
  21. 21.432 × 5 =
  22. 22.436 × 4 =
  23. 23.699 × 7 =
  24. 24.948 × 6 =
  25. 25.942 × 4 =
  26. 26.797 × 5 =
  27. 27.783 × 6 =
  28. 28.391 × 4 =
  29. 29.547 × 5 =
  30. 30.833 × 7 =
  31. 31.898 × 3 =
  32. 32.731 × 8 =
  33. 33.364 × 4 =
  34. 34.597 × 9 =
  35. 35.227 × 9 =
  36. 36.269 × 5 =
  37. 37.809 × 3 =
  38. 38.835 × 6 =
  39. 39.664 × 7 =
  40. 40.543 × 5 =

Answer key

  1. 5532
  2. 6048
  3. 6097
  4. 5814
  5. 4806
  6. 4986
  7. 8541
  8. 1808
  9. 1589
  10. 5058
  11. 1116
  12. 888
  13. 2597
  14. 2312
  15. 2649
  16. 3056
  17. 2946
  18. 3252
  19. 7256
  20. 6209
  21. 2160
  22. 1744
  23. 4893
  24. 5688
  25. 3768
  26. 3985
  27. 4698
  28. 1564
  29. 2735
  30. 5831
  31. 2694
  32. 5848
  33. 1456
  34. 5373
  35. 2043
  36. 1345
  37. 2427
  38. 5010
  39. 4648
  40. 2715

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