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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 250 · 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. 1.516 × 4 =
  2. 2.782 × 4 =
  3. 3.675 × 4 =
  4. 4.315 × 5 =
  5. 5.816 × 5 =
  6. 6.485 × 8 =
  7. 7.969 × 3 =
  8. 8.857 × 8 =
  9. 9.568 × 5 =
  10. 10.396 × 4 =
  11. 11.957 × 4 =
  12. 12.179 × 7 =
  13. 13.231 × 5 =
  14. 14.248 × 6 =
  15. 15.327 × 3 =
  16. 16.477 × 5 =
  17. 17.951 × 4 =
  18. 18.258 × 5 =
  19. 19.874 × 4 =
  20. 20.478 × 8 =
  21. 21.148 × 4 =
  22. 22.604 × 4 =
  23. 23.659 × 7 =
  24. 24.317 × 5 =
  25. 25.653 × 7 =
  26. 26.666 × 6 =
  27. 27.729 × 9 =
  28. 28.407 × 3 =
  29. 29.163 × 6 =
  30. 30.635 × 3 =
  31. 31.889 × 3 =
  32. 32.779 × 9 =
  33. 33.442 × 5 =
  34. 34.762 × 9 =
  35. 35.559 × 3 =
  36. 36.142 × 6 =
  37. 37.531 × 6 =
  38. 38.336 × 3 =
  39. 39.755 × 4 =
  40. 40.117 × 6 =

Answer key

  1. 2064
  2. 3128
  3. 2700
  4. 1575
  5. 4080
  6. 3880
  7. 2907
  8. 6856
  9. 2840
  10. 1584
  11. 3828
  12. 1253
  13. 1155
  14. 1488
  15. 981
  16. 2385
  17. 3804
  18. 1290
  19. 3496
  20. 3824
  21. 592
  22. 2416
  23. 4613
  24. 1585
  25. 4571
  26. 3996
  27. 6561
  28. 1221
  29. 978
  30. 1905
  31. 2667
  32. 7011
  33. 2210
  34. 6858
  35. 1677
  36. 852
  37. 3186
  38. 1008
  39. 3020
  40. 702

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