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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 262 · 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. 1.781 × 5 =
  2. 2.936 × 9 =
  3. 3.198 × 4 =
  4. 4.278 × 6 =
  5. 5.405 × 5 =
  6. 6.703 × 7 =
  7. 7.881 × 3 =
  8. 8.621 × 6 =
  9. 9.407 × 9 =
  10. 10.325 × 4 =
  11. 11.407 × 6 =
  12. 12.616 × 5 =
  13. 13.298 × 4 =
  14. 14.598 × 6 =
  15. 15.823 × 3 =
  16. 16.331 × 7 =
  17. 17.823 × 7 =
  18. 18.468 × 7 =
  19. 19.967 × 3 =
  20. 20.554 × 4 =
  21. 21.754 × 8 =
  22. 22.263 × 7 =
  23. 23.868 × 5 =
  24. 24.291 × 8 =
  25. 25.451 × 9 =
  26. 26.302 × 7 =
  27. 27.861 × 8 =
  28. 28.691 × 9 =
  29. 29.622 × 5 =
  30. 30.506 × 4 =
  31. 31.401 × 9 =
  32. 32.409 × 7 =
  33. 33.223 × 3 =
  34. 34.565 × 6 =
  35. 35.611 × 9 =
  36. 36.417 × 3 =
  37. 37.567 × 8 =
  38. 38.186 × 6 =
  39. 39.696 × 7 =
  40. 40.426 × 3 =

Answer key

  1. 3905
  2. 8424
  3. 792
  4. 1668
  5. 2025
  6. 4921
  7. 2643
  8. 3726
  9. 3663
  10. 1300
  11. 2442
  12. 3080
  13. 1192
  14. 3588
  15. 2469
  16. 2317
  17. 5761
  18. 3276
  19. 2901
  20. 2216
  21. 6032
  22. 1841
  23. 4340
  24. 2328
  25. 4059
  26. 2114
  27. 6888
  28. 6219
  29. 3110
  30. 2024
  31. 3609
  32. 2863
  33. 669
  34. 3390
  35. 5499
  36. 1251
  37. 4536
  38. 1116
  39. 4872
  40. 1278

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