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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 564 · 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. 1.191 × 6 =
  2. 2.901 × 6 =
  3. 3.825 × 3 =
  4. 4.201 × 6 =
  5. 5.989 × 6 =
  6. 6.631 × 8 =
  7. 7.769 × 5 =
  8. 8.142 × 5 =
  9. 9.948 × 5 =
  10. 10.492 × 3 =
  11. 11.749 × 4 =
  12. 12.706 × 7 =
  13. 13.133 × 3 =
  14. 14.301 × 4 =
  15. 15.175 × 9 =
  16. 16.612 × 7 =
  17. 17.121 × 5 =
  18. 18.922 × 4 =
  19. 19.571 × 3 =
  20. 20.598 × 4 =
  21. 21.701 × 5 =
  22. 22.878 × 7 =
  23. 23.305 × 9 =
  24. 24.915 × 4 =
  25. 25.971 × 7 =
  26. 26.598 × 5 =
  27. 27.802 × 7 =
  28. 28.222 × 5 =
  29. 29.811 × 4 =
  30. 30.271 × 3 =
  31. 31.687 × 8 =
  32. 32.227 × 9 =
  33. 33.464 × 7 =
  34. 34.597 × 9 =
  35. 35.345 × 3 =
  36. 36.539 × 9 =
  37. 37.242 × 7 =
  38. 38.495 × 4 =
  39. 39.779 × 3 =
  40. 40.221 × 3 =

Answer key

  1. 1146
  2. 5406
  3. 2475
  4. 1206
  5. 5934
  6. 5048
  7. 3845
  8. 710
  9. 4740
  10. 1476
  11. 2996
  12. 4942
  13. 399
  14. 1204
  15. 1575
  16. 4284
  17. 605
  18. 3688
  19. 1713
  20. 2392
  21. 3505
  22. 6146
  23. 2745
  24. 3660
  25. 6797
  26. 2990
  27. 5614
  28. 1110
  29. 3244
  30. 813
  31. 5496
  32. 2043
  33. 3248
  34. 5373
  35. 1035
  36. 4851
  37. 1694
  38. 1980
  39. 2337
  40. 663

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