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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 566 · 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. 1.286 × 8 =
  2. 2.379 × 7 =
  3. 3.262 × 4 =
  4. 4.985 × 4 =
  5. 5.891 × 9 =
  6. 6.931 × 9 =
  7. 7.451 × 8 =
  8. 8.231 × 8 =
  9. 9.364 × 7 =
  10. 10.831 × 3 =
  11. 11.367 × 8 =
  12. 12.239 × 6 =
  13. 13.848 × 7 =
  14. 14.245 × 3 =
  15. 15.123 × 5 =
  16. 16.347 × 5 =
  17. 17.342 × 4 =
  18. 18.129 × 7 =
  19. 19.142 × 3 =
  20. 20.855 × 9 =
  21. 21.671 × 8 =
  22. 22.612 × 3 =
  23. 23.907 × 4 =
  24. 24.226 × 6 =
  25. 25.455 × 6 =
  26. 26.645 × 4 =
  27. 27.575 × 4 =
  28. 28.921 × 4 =
  29. 29.525 × 8 =
  30. 30.641 × 8 =
  31. 31.371 × 4 =
  32. 32.263 × 3 =
  33. 33.866 × 6 =
  34. 34.912 × 5 =
  35. 35.247 × 6 =
  36. 36.354 × 4 =
  37. 37.404 × 5 =
  38. 38.781 × 8 =
  39. 39.843 × 5 =
  40. 40.193 × 5 =

Answer key

  1. 2288
  2. 2653
  3. 1048
  4. 3940
  5. 8019
  6. 8379
  7. 3608
  8. 1848
  9. 2548
  10. 2493
  11. 2936
  12. 1434
  13. 5936
  14. 735
  15. 615
  16. 1735
  17. 1368
  18. 903
  19. 426
  20. 7695
  21. 5368
  22. 1836
  23. 3628
  24. 1356
  25. 2730
  26. 2580
  27. 2300
  28. 3684
  29. 4200
  30. 5128
  31. 1484
  32. 789
  33. 5196
  34. 4560
  35. 1482
  36. 1416
  37. 2020
  38. 6248
  39. 4215
  40. 965

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