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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 408 · 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. 1.438 × 3 =
  2. 2.426 × 4 =
  3. 3.813 × 3 =
  4. 4.252 × 6 =
  5. 5.279 × 9 =
  6. 6.406 × 5 =
  7. 7.208 × 8 =
  8. 8.234 × 3 =
  9. 9.323 × 8 =
  10. 10.138 × 4 =
  11. 11.594 × 7 =
  12. 12.944 × 3 =
  13. 13.251 × 8 =
  14. 14.361 × 4 =
  15. 15.227 × 7 =
  16. 16.963 × 4 =
  17. 17.627 × 4 =
  18. 18.124 × 9 =
  19. 19.624 × 3 =
  20. 20.396 × 5 =
  21. 21.927 × 5 =
  22. 22.253 × 8 =
  23. 23.629 × 6 =
  24. 24.685 × 5 =
  25. 25.667 × 5 =
  26. 26.972 × 8 =
  27. 27.544 × 8 =
  28. 28.511 × 4 =
  29. 29.439 × 6 =
  30. 30.464 × 6 =
  31. 31.641 × 7 =
  32. 32.516 × 8 =
  33. 33.422 × 4 =
  34. 34.247 × 9 =
  35. 35.809 × 7 =
  36. 36.857 × 6 =
  37. 37.359 × 8 =
  38. 38.666 × 8 =
  39. 39.481 × 4 =
  40. 40.299 × 4 =

Answer key

  1. 1314
  2. 1704
  3. 2439
  4. 1512
  5. 2511
  6. 2030
  7. 1664
  8. 702
  9. 2584
  10. 552
  11. 4158
  12. 2832
  13. 2008
  14. 1444
  15. 1589
  16. 3852
  17. 2508
  18. 1116
  19. 1872
  20. 1980
  21. 4635
  22. 2024
  23. 3774
  24. 3425
  25. 3335
  26. 7776
  27. 4352
  28. 2044
  29. 2634
  30. 2784
  31. 4487
  32. 4128
  33. 1688
  34. 2223
  35. 5663
  36. 5142
  37. 2872
  38. 5328
  39. 1924
  40. 1196

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