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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 47 · 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. 1.343 × 6 =
  2. 2.521 × 4 =
  3. 3.911 × 6 =
  4. 4.223 × 6 =
  5. 5.863 × 3 =
  6. 6.323 × 3 =
  7. 7.558 × 9 =
  8. 8.905 × 9 =
  9. 9.225 × 6 =
  10. 10.984 × 6 =
  11. 11.947 × 5 =
  12. 12.474 × 8 =
  13. 13.475 × 3 =
  14. 14.677 × 3 =
  15. 15.485 × 3 =
  16. 16.456 × 3 =
  17. 17.152 × 4 =
  18. 18.143 × 6 =
  19. 19.266 × 6 =
  20. 20.325 × 3 =
  21. 21.697 × 6 =
  22. 22.728 × 8 =
  23. 23.885 × 7 =
  24. 24.172 × 6 =
  25. 25.945 × 5 =
  26. 26.351 × 8 =
  27. 27.375 × 3 =
  28. 28.604 × 4 =
  29. 29.221 × 4 =
  30. 30.922 × 4 =
  31. 31.579 × 8 =
  32. 32.971 × 9 =
  33. 33.672 × 3 =
  34. 34.591 × 4 =
  35. 35.281 × 5 =
  36. 36.131 × 8 =
  37. 37.538 × 4 =
  38. 38.595 × 4 =
  39. 39.952 × 5 =
  40. 40.232 × 3 =

Answer key

  1. 2058
  2. 2084
  3. 5466
  4. 1338
  5. 2589
  6. 969
  7. 5022
  8. 8145
  9. 1350
  10. 5904
  11. 4735
  12. 3792
  13. 1425
  14. 2031
  15. 1455
  16. 1368
  17. 608
  18. 858
  19. 1596
  20. 975
  21. 4182
  22. 5824
  23. 6195
  24. 1032
  25. 4725
  26. 2808
  27. 1125
  28. 2416
  29. 884
  30. 3688
  31. 4632
  32. 8739
  33. 2016
  34. 2364
  35. 1405
  36. 1048
  37. 2152
  38. 2380
  39. 4760
  40. 696

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