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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 140 · 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. 1.584 × 5 =
  2. 2.516 × 6 =
  3. 3.131 × 9 =
  4. 4.659 × 4 =
  5. 5.184 × 5 =
  6. 6.172 × 5 =
  7. 7.755 × 6 =
  8. 8.217 × 5 =
  9. 9.188 × 3 =
  10. 10.341 × 4 =
  11. 11.129 × 6 =
  12. 12.683 × 8 =
  13. 13.395 × 6 =
  14. 14.523 × 7 =
  15. 15.773 × 4 =
  16. 16.968 × 3 =
  17. 17.552 × 8 =
  18. 18.881 × 6 =
  19. 19.805 × 7 =
  20. 20.416 × 7 =
  21. 21.984 × 8 =
  22. 22.852 × 9 =
  23. 23.661 × 5 =
  24. 24.536 × 6 =
  25. 25.691 × 3 =
  26. 26.293 × 7 =
  27. 27.762 × 3 =
  28. 28.301 × 7 =
  29. 29.672 × 4 =
  30. 30.181 × 5 =
  31. 31.892 × 3 =
  32. 32.653 × 5 =
  33. 33.525 × 3 =
  34. 34.756 × 9 =
  35. 35.542 × 9 =
  36. 36.768 × 9 =
  37. 37.848 × 9 =
  38. 38.217 × 6 =
  39. 39.801 × 5 =
  40. 40.201 × 4 =

Answer key

  1. 2920
  2. 3096
  3. 1179
  4. 2636
  5. 920
  6. 860
  7. 4530
  8. 1085
  9. 564
  10. 1364
  11. 774
  12. 5464
  13. 2370
  14. 3661
  15. 3092
  16. 2904
  17. 4416
  18. 5286
  19. 5635
  20. 2912
  21. 7872
  22. 7668
  23. 3305
  24. 3216
  25. 2073
  26. 2051
  27. 2286
  28. 2107
  29. 2688
  30. 905
  31. 2676
  32. 3265
  33. 1575
  34. 6804
  35. 4878
  36. 6912
  37. 7632
  38. 1302
  39. 4005
  40. 804

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