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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 775 · 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. 1.711 × 4 =
  2. 2.691 × 9 =
  3. 3.343 × 4 =
  4. 4.928 × 9 =
  5. 5.361 × 8 =
  6. 6.161 × 8 =
  7. 7.879 × 9 =
  8. 8.895 × 3 =
  9. 9.856 × 6 =
  10. 10.188 × 4 =
  11. 11.341 × 5 =
  12. 12.418 × 8 =
  13. 13.487 × 5 =
  14. 14.357 × 4 =
  15. 15.958 × 6 =
  16. 16.456 × 7 =
  17. 17.824 × 5 =
  18. 18.686 × 8 =
  19. 19.222 × 3 =
  20. 20.748 × 6 =
  21. 21.341 × 8 =
  22. 22.684 × 8 =
  23. 23.934 × 4 =
  24. 24.766 × 4 =
  25. 25.289 × 8 =
  26. 26.169 × 8 =
  27. 27.674 × 7 =
  28. 28.916 × 7 =
  29. 29.139 × 3 =
  30. 30.844 × 7 =
  31. 31.531 × 9 =
  32. 32.443 × 8 =
  33. 33.276 × 6 =
  34. 34.201 × 3 =
  35. 35.985 × 3 =
  36. 36.869 × 7 =
  37. 37.327 × 6 =
  38. 38.332 × 3 =
  39. 39.363 × 4 =
  40. 40.255 × 7 =

Answer key

  1. 2844
  2. 6219
  3. 1372
  4. 8352
  5. 2888
  6. 1288
  7. 7911
  8. 2685
  9. 5136
  10. 752
  11. 1705
  12. 3344
  13. 2435
  14. 1428
  15. 5748
  16. 3192
  17. 4120
  18. 5488
  19. 666
  20. 4488
  21. 2728
  22. 5472
  23. 3736
  24. 3064
  25. 2312
  26. 1352
  27. 4718
  28. 6412
  29. 417
  30. 5908
  31. 4779
  32. 3544
  33. 1656
  34. 603
  35. 2955
  36. 6083
  37. 1962
  38. 996
  39. 1452
  40. 1785

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