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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 575 · 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. 1.299 × 5 =
  2. 2.943 × 7 =
  3. 3.396 × 3 =
  4. 4.395 × 4 =
  5. 5.269 × 8 =
  6. 6.826 × 7 =
  7. 7.615 × 5 =
  8. 8.953 × 5 =
  9. 9.163 × 7 =
  10. 10.513 × 5 =
  11. 11.701 × 8 =
  12. 12.483 × 6 =
  13. 13.655 × 4 =
  14. 14.723 × 7 =
  15. 15.224 × 9 =
  16. 16.845 × 3 =
  17. 17.979 × 3 =
  18. 18.571 × 3 =
  19. 19.691 × 6 =
  20. 20.325 × 8 =
  21. 21.175 × 6 =
  22. 22.347 × 3 =
  23. 23.673 × 9 =
  24. 24.516 × 3 =
  25. 25.911 × 8 =
  26. 26.613 × 3 =
  27. 27.199 × 8 =
  28. 28.801 × 4 =
  29. 29.911 × 6 =
  30. 30.185 × 8 =
  31. 31.405 × 8 =
  32. 32.732 × 3 =
  33. 33.685 × 8 =
  34. 34.221 × 3 =
  35. 35.767 × 3 =
  36. 36.183 × 3 =
  37. 37.929 × 9 =
  38. 38.394 × 9 =
  39. 39.277 × 5 =
  40. 40.167 × 4 =

Answer key

  1. 1495
  2. 6601
  3. 1188
  4. 1580
  5. 2152
  6. 5782
  7. 3075
  8. 4765
  9. 1141
  10. 2565
  11. 5608
  12. 2898
  13. 2620
  14. 5061
  15. 2016
  16. 2535
  17. 2937
  18. 1713
  19. 4146
  20. 2600
  21. 1050
  22. 1041
  23. 6057
  24. 1548
  25. 7288
  26. 1839
  27. 1592
  28. 3204
  29. 5466
  30. 1480
  31. 3240
  32. 2196
  33. 5480
  34. 663
  35. 2301
  36. 549
  37. 8361
  38. 3546
  39. 1385
  40. 668

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