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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 794 · 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. 1.331 × 4 =
  2. 2.727 × 6 =
  3. 3.465 × 6 =
  4. 4.699 × 3 =
  5. 5.604 × 9 =
  6. 6.316 × 3 =
  7. 7.601 × 9 =
  8. 8.927 × 9 =
  9. 9.873 × 3 =
  10. 10.239 × 8 =
  11. 11.444 × 6 =
  12. 12.856 × 7 =
  13. 13.633 × 6 =
  14. 14.807 × 9 =
  15. 15.971 × 4 =
  16. 16.516 × 4 =
  17. 17.942 × 9 =
  18. 18.803 × 5 =
  19. 19.316 × 8 =
  20. 20.592 × 9 =
  21. 21.186 × 3 =
  22. 22.152 × 9 =
  23. 23.179 × 9 =
  24. 24.782 × 4 =
  25. 25.618 × 6 =
  26. 26.138 × 8 =
  27. 27.851 × 5 =
  28. 28.381 × 4 =
  29. 29.201 × 8 =
  30. 30.585 × 5 =
  31. 31.217 × 3 =
  32. 32.665 × 9 =
  33. 33.401 × 5 =
  34. 34.844 × 8 =
  35. 35.514 × 6 =
  36. 36.608 × 6 =
  37. 37.121 × 7 =
  38. 38.666 × 8 =
  39. 39.969 × 5 =
  40. 40.837 × 9 =

Answer key

  1. 1324
  2. 4362
  3. 2790
  4. 2097
  5. 5436
  6. 948
  7. 5409
  8. 8343
  9. 2619
  10. 1912
  11. 2664
  12. 5992
  13. 3798
  14. 7263
  15. 3884
  16. 2064
  17. 8478
  18. 4015
  19. 2528
  20. 5328
  21. 558
  22. 1368
  23. 1611
  24. 3128
  25. 3708
  26. 1104
  27. 4255
  28. 1524
  29. 1608
  30. 2925
  31. 651
  32. 5985
  33. 2005
  34. 6752
  35. 3084
  36. 3648
  37. 847
  38. 5328
  39. 4845
  40. 7533

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