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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 396 · 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. 1.969 × 8 =
  2. 2.422 × 5 =
  3. 3.414 × 3 =
  4. 4.532 × 9 =
  5. 5.292 × 9 =
  6. 6.849 × 7 =
  7. 7.513 × 9 =
  8. 8.308 × 4 =
  9. 9.324 × 4 =
  10. 10.776 × 5 =
  11. 11.334 × 5 =
  12. 12.532 × 3 =
  13. 13.923 × 5 =
  14. 14.757 × 5 =
  15. 15.214 × 3 =
  16. 16.543 × 3 =
  17. 17.299 × 3 =
  18. 18.578 × 5 =
  19. 19.923 × 9 =
  20. 20.331 × 6 =
  21. 21.552 × 4 =
  22. 22.478 × 4 =
  23. 23.479 × 4 =
  24. 24.361 × 4 =
  25. 25.903 × 9 =
  26. 26.308 × 5 =
  27. 27.354 × 5 =
  28. 28.492 × 6 =
  29. 29.268 × 5 =
  30. 30.557 × 8 =
  31. 31.271 × 8 =
  32. 32.978 × 3 =
  33. 33.965 × 9 =
  34. 34.118 × 7 =
  35. 35.379 × 7 =
  36. 36.733 × 4 =
  37. 37.157 × 9 =
  38. 38.853 × 8 =
  39. 39.695 × 5 =
  40. 40.279 × 6 =

Answer key

  1. 7752
  2. 2110
  3. 1242
  4. 4788
  5. 2628
  6. 5943
  7. 4617
  8. 1232
  9. 1296
  10. 3880
  11. 1670
  12. 1596
  13. 4615
  14. 3785
  15. 642
  16. 1629
  17. 897
  18. 2890
  19. 8307
  20. 1986
  21. 2208
  22. 1912
  23. 1916
  24. 1444
  25. 8127
  26. 1540
  27. 1770
  28. 2952
  29. 1340
  30. 4456
  31. 2168
  32. 2934
  33. 8685
  34. 826
  35. 2653
  36. 2932
  37. 1413
  38. 6824
  39. 3475
  40. 1674

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