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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 472 · 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. 1.342 × 4 =
  2. 2.954 × 7 =
  3. 3.644 × 4 =
  4. 4.283 × 9 =
  5. 5.484 × 4 =
  6. 6.832 × 6 =
  7. 7.844 × 4 =
  8. 8.208 × 6 =
  9. 9.948 × 9 =
  10. 10.751 × 8 =
  11. 11.151 × 5 =
  12. 12.309 × 8 =
  13. 13.396 × 7 =
  14. 14.898 × 4 =
  15. 15.194 × 7 =
  16. 16.352 × 5 =
  17. 17.181 × 5 =
  18. 18.403 × 4 =
  19. 19.528 × 5 =
  20. 20.951 × 5 =
  21. 21.985 × 6 =
  22. 22.236 × 5 =
  23. 23.945 × 4 =
  24. 24.691 × 6 =
  25. 25.649 × 4 =
  26. 26.982 × 7 =
  27. 27.591 × 4 =
  28. 28.331 × 6 =
  29. 29.212 × 4 =
  30. 30.583 × 8 =
  31. 31.865 × 7 =
  32. 32.345 × 9 =
  33. 33.564 × 9 =
  34. 34.695 × 8 =
  35. 35.353 × 7 =
  36. 36.418 × 6 =
  37. 37.295 × 6 =
  38. 38.184 × 9 =
  39. 39.872 × 4 =
  40. 40.525 × 9 =

Answer key

  1. 1368
  2. 6678
  3. 2576
  4. 2547
  5. 1936
  6. 4992
  7. 3376
  8. 1248
  9. 8532
  10. 6008
  11. 755
  12. 2472
  13. 2772
  14. 3592
  15. 1358
  16. 1760
  17. 905
  18. 1612
  19. 2640
  20. 4755
  21. 5910
  22. 1180
  23. 3780
  24. 4146
  25. 2596
  26. 6874
  27. 2364
  28. 1986
  29. 848
  30. 4664
  31. 6055
  32. 3105
  33. 5076
  34. 5560
  35. 2471
  36. 2508
  37. 1770
  38. 1656
  39. 3488
  40. 4725

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