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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 608 · 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. 1.436 × 7 =
  2. 2.752 × 3 =
  3. 3.773 × 9 =
  4. 4.596 × 3 =
  5. 5.742 × 5 =
  6. 6.465 × 9 =
  7. 7.875 × 9 =
  8. 8.435 × 5 =
  9. 9.576 × 9 =
  10. 10.702 × 6 =
  11. 11.563 × 3 =
  12. 12.477 × 8 =
  13. 13.348 × 8 =
  14. 14.184 × 5 =
  15. 15.891 × 5 =
  16. 16.755 × 9 =
  17. 17.242 × 5 =
  18. 18.454 × 6 =
  19. 19.148 × 7 =
  20. 20.839 × 6 =
  21. 21.492 × 5 =
  22. 22.859 × 8 =
  23. 23.562 × 5 =
  24. 24.911 × 3 =
  25. 25.874 × 9 =
  26. 26.769 × 8 =
  27. 27.552 × 3 =
  28. 28.178 × 5 =
  29. 29.658 × 3 =
  30. 30.185 × 3 =
  31. 31.883 × 9 =
  32. 32.709 × 6 =
  33. 33.408 × 7 =
  34. 34.304 × 8 =
  35. 35.782 × 9 =
  36. 36.524 × 6 =
  37. 37.796 × 3 =
  38. 38.241 × 9 =
  39. 39.324 × 9 =
  40. 40.829 × 5 =

Answer key

  1. 3052
  2. 2256
  3. 6957
  4. 1788
  5. 3710
  6. 4185
  7. 7875
  8. 2175
  9. 5184
  10. 4212
  11. 1689
  12. 3816
  13. 2784
  14. 920
  15. 4455
  16. 6795
  17. 1210
  18. 2724
  19. 1036
  20. 5034
  21. 2460
  22. 6872
  23. 2810
  24. 2733
  25. 7866
  26. 6152
  27. 1656
  28. 890
  29. 1974
  30. 555
  31. 7947
  32. 4254
  33. 2856
  34. 2432
  35. 7038
  36. 3144
  37. 2388
  38. 2169
  39. 2916
  40. 4145

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