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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 716 · 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. 1.375 × 5 =
  2. 2.735 × 9 =
  3. 3.593 × 9 =
  4. 4.241 × 6 =
  5. 5.537 × 9 =
  6. 6.908 × 6 =
  7. 7.919 × 8 =
  8. 8.872 × 8 =
  9. 9.677 × 8 =
  10. 10.665 × 3 =
  11. 11.852 × 6 =
  12. 12.284 × 7 =
  13. 13.647 × 4 =
  14. 14.351 × 4 =
  15. 15.811 × 8 =
  16. 16.575 × 4 =
  17. 17.983 × 9 =
  18. 18.181 × 8 =
  19. 19.284 × 3 =
  20. 20.641 × 4 =
  21. 21.731 × 5 =
  22. 22.431 × 5 =
  23. 23.511 × 6 =
  24. 24.422 × 5 =
  25. 25.642 × 4 =
  26. 26.296 × 9 =
  27. 27.609 × 3 =
  28. 28.524 × 9 =
  29. 29.868 × 9 =
  30. 30.193 × 5 =
  31. 31.686 × 6 =
  32. 32.277 × 4 =
  33. 33.977 × 7 =
  34. 34.407 × 7 =
  35. 35.148 × 3 =
  36. 36.474 × 7 =
  37. 37.926 × 9 =
  38. 38.361 × 6 =
  39. 39.114 × 3 =
  40. 40.835 × 5 =

Answer key

  1. 1875
  2. 6615
  3. 5337
  4. 1446
  5. 4833
  6. 5448
  7. 7352
  8. 6976
  9. 5416
  10. 1995
  11. 5112
  12. 1988
  13. 2588
  14. 1404
  15. 6488
  16. 2300
  17. 8847
  18. 1448
  19. 852
  20. 2564
  21. 3655
  22. 2155
  23. 3066
  24. 2110
  25. 2568
  26. 2664
  27. 1827
  28. 4716
  29. 7812
  30. 965
  31. 4116
  32. 1108
  33. 6839
  34. 2849
  35. 444
  36. 3318
  37. 8334
  38. 2166
  39. 342
  40. 4175

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