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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 289 · 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. 1.622 × 5 =
  2. 2.712 × 7 =
  3. 3.741 × 8 =
  4. 4.431 × 7 =
  5. 5.291 × 5 =
  6. 6.441 × 8 =
  7. 7.752 × 8 =
  8. 8.412 × 3 =
  9. 9.733 × 7 =
  10. 10.114 × 8 =
  11. 11.559 × 3 =
  12. 12.682 × 6 =
  13. 13.682 × 7 =
  14. 14.133 × 8 =
  15. 15.561 × 5 =
  16. 16.391 × 7 =
  17. 17.837 × 6 =
  18. 18.621 × 9 =
  19. 19.247 × 5 =
  20. 20.414 × 3 =
  21. 21.365 × 3 =
  22. 22.372 × 9 =
  23. 23.686 × 3 =
  24. 24.399 × 7 =
  25. 25.339 × 9 =
  26. 26.296 × 7 =
  27. 27.271 × 4 =
  28. 28.817 × 6 =
  29. 29.292 × 7 =
  30. 30.697 × 4 =
  31. 31.286 × 7 =
  32. 32.252 × 4 =
  33. 33.145 × 6 =
  34. 34.243 × 9 =
  35. 35.522 × 6 =
  36. 36.397 × 8 =
  37. 37.146 × 4 =
  38. 38.702 × 7 =
  39. 39.572 × 3 =
  40. 40.689 × 7 =

Answer key

  1. 3110
  2. 4984
  3. 5928
  4. 3017
  5. 1455
  6. 3528
  7. 6016
  8. 1236
  9. 5131
  10. 912
  11. 1677
  12. 4092
  13. 4774
  14. 1064
  15. 2805
  16. 2737
  17. 5022
  18. 5589
  19. 1235
  20. 1242
  21. 1095
  22. 3348
  23. 2058
  24. 2793
  25. 3051
  26. 2072
  27. 1084
  28. 4902
  29. 2044
  30. 2788
  31. 2002
  32. 1008
  33. 870
  34. 2187
  35. 3132
  36. 3176
  37. 584
  38. 4914
  39. 1716
  40. 4823

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