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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 407 · 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. 1.294 × 8 =
  2. 2.671 × 6 =
  3. 3.281 × 9 =
  4. 4.431 × 9 =
  5. 5.986 × 8 =
  6. 6.861 × 6 =
  7. 7.451 × 5 =
  8. 8.467 × 7 =
  9. 9.809 × 5 =
  10. 10.817 × 6 =
  11. 11.428 × 7 =
  12. 12.423 × 7 =
  13. 13.333 × 7 =
  14. 14.253 × 8 =
  15. 15.299 × 9 =
  16. 16.561 × 9 =
  17. 17.149 × 7 =
  18. 18.653 × 5 =
  19. 19.371 × 6 =
  20. 20.811 × 6 =
  21. 21.567 × 9 =
  22. 22.248 × 8 =
  23. 23.405 × 9 =
  24. 24.939 × 4 =
  25. 25.748 × 4 =
  26. 26.679 × 4 =
  27. 27.696 × 7 =
  28. 28.406 × 5 =
  29. 29.361 × 9 =
  30. 30.122 × 3 =
  31. 31.986 × 9 =
  32. 32.375 × 7 =
  33. 33.811 × 3 =
  34. 34.151 × 5 =
  35. 35.251 × 7 =
  36. 36.813 × 6 =
  37. 37.631 × 8 =
  38. 38.362 × 6 =
  39. 39.294 × 5 =
  40. 40.861 × 9 =

Answer key

  1. 2352
  2. 4026
  3. 2529
  4. 3879
  5. 7888
  6. 5166
  7. 2255
  8. 3269
  9. 4045
  10. 4902
  11. 2996
  12. 2961
  13. 2331
  14. 2024
  15. 2691
  16. 5049
  17. 1043
  18. 3265
  19. 2226
  20. 4866
  21. 5103
  22. 1984
  23. 3645
  24. 3756
  25. 2992
  26. 2716
  27. 4872
  28. 2030
  29. 3249
  30. 366
  31. 8874
  32. 2625
  33. 2433
  34. 755
  35. 1757
  36. 4878
  37. 5048
  38. 2172
  39. 1470
  40. 7749

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