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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 454 · 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. 1.653 × 6 =
  2. 2.771 × 9 =
  3. 3.647 × 5 =
  4. 4.531 × 3 =
  5. 5.963 × 4 =
  6. 6.381 × 6 =
  7. 7.112 × 7 =
  8. 8.122 × 3 =
  9. 9.276 × 7 =
  10. 10.932 × 9 =
  11. 11.559 × 6 =
  12. 12.153 × 5 =
  13. 13.893 × 5 =
  14. 14.895 × 8 =
  15. 15.714 × 8 =
  16. 16.542 × 7 =
  17. 17.808 × 6 =
  18. 18.806 × 9 =
  19. 19.742 × 3 =
  20. 20.177 × 4 =
  21. 21.715 × 7 =
  22. 22.837 × 7 =
  23. 23.658 × 3 =
  24. 24.916 × 9 =
  25. 25.374 × 5 =
  26. 26.585 × 9 =
  27. 27.842 × 6 =
  28. 28.622 × 8 =
  29. 29.568 × 5 =
  30. 30.236 × 8 =
  31. 31.121 × 4 =
  32. 32.751 × 4 =
  33. 33.774 × 4 =
  34. 34.383 × 5 =
  35. 35.989 × 3 =
  36. 36.165 × 8 =
  37. 37.417 × 8 =
  38. 38.356 × 8 =
  39. 39.333 × 6 =
  40. 40.819 × 4 =

Answer key

  1. 3918
  2. 6939
  3. 3235
  4. 1593
  5. 3852
  6. 2286
  7. 784
  8. 366
  9. 1932
  10. 8388
  11. 3354
  12. 765
  13. 4465
  14. 7160
  15. 5712
  16. 3794
  17. 4848
  18. 7254
  19. 2226
  20. 708
  21. 5005
  22. 5859
  23. 1974
  24. 8244
  25. 1870
  26. 5265
  27. 5052
  28. 4976
  29. 2840
  30. 1888
  31. 484
  32. 3004
  33. 3096
  34. 1915
  35. 2967
  36. 1320
  37. 3336
  38. 2848
  39. 1998
  40. 3276

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