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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 757 · 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. 1.661 × 8 =
  2. 2.579 × 9 =
  3. 3.276 × 9 =
  4. 4.482 × 5 =
  5. 5.941 × 5 =
  6. 6.253 × 4 =
  7. 7.407 × 6 =
  8. 8.155 × 5 =
  9. 9.416 × 7 =
  10. 10.989 × 7 =
  11. 11.172 × 3 =
  12. 12.921 × 8 =
  13. 13.405 × 4 =
  14. 14.843 × 3 =
  15. 15.156 × 6 =
  16. 16.505 × 7 =
  17. 17.114 × 4 =
  18. 18.845 × 6 =
  19. 19.531 × 3 =
  20. 20.153 × 4 =
  21. 21.661 × 6 =
  22. 22.936 × 3 =
  23. 23.907 × 7 =
  24. 24.667 × 5 =
  25. 25.931 × 4 =
  26. 26.579 × 6 =
  27. 27.272 × 4 =
  28. 28.546 × 8 =
  29. 29.348 × 4 =
  30. 30.601 × 9 =
  31. 31.827 × 8 =
  32. 32.269 × 4 =
  33. 33.618 × 6 =
  34. 34.803 × 3 =
  35. 35.851 × 9 =
  36. 36.705 × 3 =
  37. 37.259 × 6 =
  38. 38.232 × 5 =
  39. 39.131 × 4 =
  40. 40.952 × 6 =

Answer key

  1. 5288
  2. 5211
  3. 2484
  4. 2410
  5. 4705
  6. 1012
  7. 2442
  8. 775
  9. 2912
  10. 6923
  11. 516
  12. 7368
  13. 1620
  14. 2529
  15. 936
  16. 3535
  17. 456
  18. 5070
  19. 1593
  20. 612
  21. 3966
  22. 2808
  23. 6349
  24. 3335
  25. 3724
  26. 3474
  27. 1088
  28. 4368
  29. 1392
  30. 5409
  31. 6616
  32. 1076
  33. 3708
  34. 2409
  35. 7659
  36. 2115
  37. 1554
  38. 1160
  39. 524
  40. 5712

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