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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 111 · 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. 1.608 × 6 =
  2. 2.452 × 9 =
  3. 3.981 × 5 =
  4. 4.431 × 6 =
  5. 5.335 × 7 =
  6. 6.724 × 3 =
  7. 7.986 × 3 =
  8. 8.195 × 5 =
  9. 9.112 × 9 =
  10. 10.728 × 4 =
  11. 11.741 × 8 =
  12. 12.891 × 3 =
  13. 13.145 × 9 =
  14. 14.518 × 4 =
  15. 15.338 × 7 =
  16. 16.439 × 9 =
  17. 17.201 × 4 =
  18. 18.918 × 4 =
  19. 19.573 × 5 =
  20. 20.536 × 4 =
  21. 21.349 × 5 =
  22. 22.954 × 6 =
  23. 23.185 × 8 =
  24. 24.849 × 6 =
  25. 25.146 × 9 =
  26. 26.478 × 5 =
  27. 27.277 × 4 =
  28. 28.587 × 5 =
  29. 29.125 × 8 =
  30. 30.353 × 3 =
  31. 31.451 × 9 =
  32. 32.959 × 9 =
  33. 33.741 × 7 =
  34. 34.611 × 4 =
  35. 35.982 × 8 =
  36. 36.721 × 4 =
  37. 37.532 × 9 =
  38. 38.949 × 7 =
  39. 39.181 × 5 =
  40. 40.245 × 5 =

Answer key

  1. 3648
  2. 4068
  3. 4905
  4. 2586
  5. 2345
  6. 2172
  7. 2958
  8. 975
  9. 1008
  10. 2912
  11. 5928
  12. 2673
  13. 1305
  14. 2072
  15. 2366
  16. 3951
  17. 804
  18. 3672
  19. 2865
  20. 2144
  21. 1745
  22. 5724
  23. 1480
  24. 5094
  25. 1314
  26. 2390
  27. 1108
  28. 2935
  29. 1000
  30. 1059
  31. 4059
  32. 8631
  33. 5187
  34. 2444
  35. 7856
  36. 2884
  37. 4788
  38. 6643
  39. 905
  40. 1225

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