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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 601 · 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. 1.621 × 4 =
  2. 2.887 × 6 =
  3. 3.127 × 7 =
  4. 4.371 × 3 =
  5. 5.793 × 3 =
  6. 6.568 × 3 =
  7. 7.891 × 6 =
  8. 8.232 × 3 =
  9. 9.495 × 5 =
  10. 10.388 × 9 =
  11. 11.668 × 9 =
  12. 12.651 × 8 =
  13. 13.432 × 8 =
  14. 14.516 × 7 =
  15. 15.887 × 4 =
  16. 16.236 × 4 =
  17. 17.762 × 9 =
  18. 18.331 × 4 =
  19. 19.795 × 4 =
  20. 20.308 × 6 =
  21. 21.515 × 5 =
  22. 22.298 × 4 =
  23. 23.146 × 4 =
  24. 24.688 × 8 =
  25. 25.313 × 8 =
  26. 26.191 × 8 =
  27. 27.196 × 3 =
  28. 28.775 × 9 =
  29. 29.974 × 7 =
  30. 30.671 × 9 =
  31. 31.287 × 6 =
  32. 32.163 × 4 =
  33. 33.339 × 5 =
  34. 34.661 × 9 =
  35. 35.175 × 5 =
  36. 36.267 × 8 =
  37. 37.483 × 5 =
  38. 38.219 × 4 =
  39. 39.695 × 4 =
  40. 40.596 × 5 =

Answer key

  1. 2484
  2. 5322
  3. 889
  4. 1113
  5. 2379
  6. 1704
  7. 5346
  8. 696
  9. 2475
  10. 3492
  11. 6012
  12. 5208
  13. 3456
  14. 3612
  15. 3548
  16. 944
  17. 6858
  18. 1324
  19. 3180
  20. 1848
  21. 2575
  22. 1192
  23. 584
  24. 5504
  25. 2504
  26. 1528
  27. 588
  28. 6975
  29. 6818
  30. 6039
  31. 1722
  32. 652
  33. 1695
  34. 5949
  35. 875
  36. 2136
  37. 2415
  38. 876
  39. 2780
  40. 2980

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