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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 560 · 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. 1.211 × 4 =
  2. 2.766 × 3 =
  3. 3.171 × 4 =
  4. 4.334 × 8 =
  5. 5.523 × 4 =
  6. 6.761 × 5 =
  7. 7.816 × 5 =
  8. 8.221 × 9 =
  9. 9.977 × 3 =
  10. 10.606 × 8 =
  11. 11.152 × 8 =
  12. 12.478 × 8 =
  13. 13.681 × 8 =
  14. 14.961 × 3 =
  15. 15.594 × 5 =
  16. 16.162 × 5 =
  17. 17.231 × 8 =
  18. 18.743 × 3 =
  19. 19.241 × 9 =
  20. 20.633 × 9 =
  21. 21.491 × 3 =
  22. 22.114 × 9 =
  23. 23.217 × 9 =
  24. 24.922 × 9 =
  25. 25.214 × 9 =
  26. 26.698 × 8 =
  27. 27.735 × 9 =
  28. 28.441 × 8 =
  29. 29.599 × 3 =
  30. 30.763 × 9 =
  31. 31.343 × 3 =
  32. 32.273 × 8 =
  33. 33.642 × 4 =
  34. 34.403 × 7 =
  35. 35.717 × 4 =
  36. 36.295 × 3 =
  37. 37.704 × 7 =
  38. 38.712 × 4 =
  39. 39.495 × 5 =
  40. 40.608 × 8 =

Answer key

  1. 844
  2. 2298
  3. 684
  4. 2672
  5. 2092
  6. 3805
  7. 4080
  8. 1989
  9. 2931
  10. 4848
  11. 1216
  12. 3824
  13. 5448
  14. 2883
  15. 2970
  16. 810
  17. 1848
  18. 2229
  19. 2169
  20. 5697
  21. 1473
  22. 1026
  23. 1953
  24. 8298
  25. 1926
  26. 5584
  27. 6615
  28. 3528
  29. 1797
  30. 6867
  31. 1029
  32. 2184
  33. 2568
  34. 2821
  35. 2868
  36. 885
  37. 4928
  38. 2848
  39. 2475
  40. 4864

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