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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 190 · 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. 1.918 × 8 =
  2. 2.944 × 7 =
  3. 3.349 × 4 =
  4. 4.551 × 6 =
  5. 5.714 × 3 =
  6. 6.823 × 8 =
  7. 7.747 × 3 =
  8. 8.304 × 4 =
  9. 9.653 × 8 =
  10. 10.791 × 8 =
  11. 11.806 × 7 =
  12. 12.896 × 5 =
  13. 13.657 × 9 =
  14. 14.984 × 8 =
  15. 15.684 × 7 =
  16. 16.704 × 6 =
  17. 17.741 × 6 =
  18. 18.952 × 9 =
  19. 19.506 × 4 =
  20. 20.464 × 7 =
  21. 21.694 × 3 =
  22. 22.393 × 8 =
  23. 23.467 × 3 =
  24. 24.336 × 3 =
  25. 25.621 × 3 =
  26. 26.265 × 3 =
  27. 27.312 × 3 =
  28. 28.189 × 5 =
  29. 29.448 × 7 =
  30. 30.901 × 8 =
  31. 31.867 × 3 =
  32. 32.622 × 8 =
  33. 33.589 × 6 =
  34. 34.776 × 6 =
  35. 35.349 × 8 =
  36. 36.581 × 3 =
  37. 37.783 × 7 =
  38. 38.295 × 6 =
  39. 39.605 × 7 =
  40. 40.369 × 7 =

Answer key

  1. 7344
  2. 6608
  3. 1396
  4. 3306
  5. 2142
  6. 6584
  7. 2241
  8. 1216
  9. 5224
  10. 6328
  11. 5642
  12. 4480
  13. 5913
  14. 7872
  15. 4788
  16. 4224
  17. 4446
  18. 8568
  19. 2024
  20. 3248
  21. 2082
  22. 3144
  23. 1401
  24. 1008
  25. 1863
  26. 795
  27. 936
  28. 945
  29. 3136
  30. 7208
  31. 2601
  32. 4976
  33. 3534
  34. 4656
  35. 2792
  36. 1743
  37. 5481
  38. 1770
  39. 4235
  40. 2583

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