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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 149 · 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. 1.145 × 4 =
  2. 2.847 × 5 =
  3. 3.977 × 9 =
  4. 4.156 × 3 =
  5. 5.676 × 3 =
  6. 6.296 × 8 =
  7. 7.581 × 3 =
  8. 8.675 × 4 =
  9. 9.236 × 7 =
  10. 10.741 × 9 =
  11. 11.617 × 4 =
  12. 12.453 × 7 =
  13. 13.242 × 3 =
  14. 14.937 × 6 =
  15. 15.189 × 4 =
  16. 16.579 × 9 =
  17. 17.786 × 4 =
  18. 18.954 × 7 =
  19. 19.431 × 5 =
  20. 20.509 × 9 =
  21. 21.653 × 7 =
  22. 22.372 × 5 =
  23. 23.498 × 4 =
  24. 24.131 × 6 =
  25. 25.632 × 3 =
  26. 26.424 × 8 =
  27. 27.745 × 3 =
  28. 28.869 × 8 =
  29. 29.426 × 9 =
  30. 30.686 × 5 =
  31. 31.362 × 3 =
  32. 32.715 × 5 =
  33. 33.361 × 3 =
  34. 34.791 × 4 =
  35. 35.526 × 6 =
  36. 36.835 × 4 =
  37. 37.146 × 4 =
  38. 38.646 × 9 =
  39. 39.717 × 8 =
  40. 40.189 × 8 =

Answer key

  1. 580
  2. 4235
  3. 8793
  4. 468
  5. 2028
  6. 2368
  7. 1743
  8. 2700
  9. 1652
  10. 6669
  11. 2468
  12. 3171
  13. 726
  14. 5622
  15. 756
  16. 5211
  17. 3144
  18. 6678
  19. 2155
  20. 4581
  21. 4571
  22. 1860
  23. 1992
  24. 786
  25. 1896
  26. 3392
  27. 2235
  28. 6952
  29. 3834
  30. 3430
  31. 1086
  32. 3575
  33. 1083
  34. 3164
  35. 3156
  36. 3340
  37. 584
  38. 5814
  39. 5736
  40. 1512

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