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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 206 · 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. 1.115 × 9 =
  2. 2.575 × 6 =
  3. 3.785 × 3 =
  4. 4.715 × 3 =
  5. 5.506 × 4 =
  6. 6.519 × 7 =
  7. 7.368 × 3 =
  8. 8.202 × 7 =
  9. 9.413 × 7 =
  10. 10.831 × 3 =
  11. 11.163 × 5 =
  12. 12.444 × 3 =
  13. 13.689 × 4 =
  14. 14.525 × 4 =
  15. 15.234 × 4 =
  16. 16.321 × 4 =
  17. 17.226 × 4 =
  18. 18.594 × 7 =
  19. 19.112 × 8 =
  20. 20.759 × 6 =
  21. 21.477 × 9 =
  22. 22.562 × 8 =
  23. 23.858 × 8 =
  24. 24.288 × 4 =
  25. 25.967 × 6 =
  26. 26.979 × 8 =
  27. 27.541 × 9 =
  28. 28.906 × 9 =
  29. 29.928 × 5 =
  30. 30.508 × 5 =
  31. 31.846 × 3 =
  32. 32.219 × 7 =
  33. 33.218 × 9 =
  34. 34.563 × 3 =
  35. 35.837 × 7 =
  36. 36.869 × 3 =
  37. 37.563 × 5 =
  38. 38.746 × 6 =
  39. 39.257 × 9 =
  40. 40.319 × 3 =

Answer key

  1. 1035
  2. 3450
  3. 2355
  4. 2145
  5. 2024
  6. 3633
  7. 1104
  8. 1414
  9. 2891
  10. 2493
  11. 815
  12. 1332
  13. 2756
  14. 2100
  15. 936
  16. 1284
  17. 904
  18. 4158
  19. 896
  20. 4554
  21. 4293
  22. 4496
  23. 6864
  24. 1152
  25. 5802
  26. 7832
  27. 4869
  28. 8154
  29. 4640
  30. 2540
  31. 2538
  32. 1533
  33. 1962
  34. 1689
  35. 5859
  36. 2607
  37. 2815
  38. 4476
  39. 2313
  40. 957

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