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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 721 · 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. 1.886 × 7 =
  2. 2.698 × 9 =
  3. 3.191 × 3 =
  4. 4.117 × 4 =
  5. 5.349 × 9 =
  6. 6.299 × 5 =
  7. 7.902 × 8 =
  8. 8.526 × 6 =
  9. 9.918 × 5 =
  10. 10.469 × 9 =
  11. 11.836 × 9 =
  12. 12.679 × 8 =
  13. 13.474 × 3 =
  14. 14.779 × 9 =
  15. 15.625 × 6 =
  16. 16.555 × 3 =
  17. 17.554 × 3 =
  18. 18.538 × 4 =
  19. 19.315 × 8 =
  20. 20.366 × 4 =
  21. 21.775 × 9 =
  22. 22.741 × 4 =
  23. 23.288 × 7 =
  24. 24.784 × 4 =
  25. 25.212 × 7 =
  26. 26.334 × 5 =
  27. 27.887 × 8 =
  28. 28.131 × 3 =
  29. 29.533 × 4 =
  30. 30.622 × 7 =
  31. 31.392 × 4 =
  32. 32.223 × 6 =
  33. 33.305 × 8 =
  34. 34.903 × 7 =
  35. 35.493 × 9 =
  36. 36.559 × 9 =
  37. 37.188 × 6 =
  38. 38.811 × 4 =
  39. 39.577 × 8 =
  40. 40.218 × 5 =

Answer key

  1. 6202
  2. 6282
  3. 573
  4. 468
  5. 3141
  6. 1495
  7. 7216
  8. 3156
  9. 4590
  10. 4221
  11. 7524
  12. 5432
  13. 1422
  14. 7011
  15. 3750
  16. 1665
  17. 1662
  18. 2152
  19. 2520
  20. 1464
  21. 6975
  22. 2964
  23. 2016
  24. 3136
  25. 1484
  26. 1670
  27. 7096
  28. 393
  29. 2132
  30. 4354
  31. 1568
  32. 1338
  33. 2440
  34. 6321
  35. 4437
  36. 5031
  37. 1128
  38. 3244
  39. 4616
  40. 1090

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