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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 402 · 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. 1.366 × 4 =
  2. 2.201 × 4 =
  3. 3.286 × 7 =
  4. 4.627 × 9 =
  5. 5.227 × 9 =
  6. 6.514 × 7 =
  7. 7.623 × 3 =
  8. 8.915 × 5 =
  9. 9.462 × 6 =
  10. 10.275 × 3 =
  11. 11.425 × 3 =
  12. 12.592 × 5 =
  13. 13.301 × 3 =
  14. 14.514 × 6 =
  15. 15.755 × 8 =
  16. 16.499 × 4 =
  17. 17.807 × 5 =
  18. 18.145 × 6 =
  19. 19.318 × 8 =
  20. 20.533 × 8 =
  21. 21.545 × 4 =
  22. 22.123 × 6 =
  23. 23.794 × 6 =
  24. 24.526 × 5 =
  25. 25.189 × 7 =
  26. 26.606 × 6 =
  27. 27.343 × 8 =
  28. 28.845 × 4 =
  29. 29.116 × 6 =
  30. 30.582 × 5 =
  31. 31.407 × 3 =
  32. 32.673 × 6 =
  33. 33.607 × 6 =
  34. 34.566 × 9 =
  35. 35.814 × 5 =
  36. 36.124 × 4 =
  37. 37.578 × 7 =
  38. 38.315 × 6 =
  39. 39.464 × 7 =
  40. 40.219 × 7 =

Answer key

  1. 1464
  2. 804
  3. 2002
  4. 5643
  5. 2043
  6. 3598
  7. 1869
  8. 4575
  9. 2772
  10. 825
  11. 1275
  12. 2960
  13. 903
  14. 3084
  15. 6040
  16. 1996
  17. 4035
  18. 870
  19. 2544
  20. 4264
  21. 2180
  22. 738
  23. 4764
  24. 2630
  25. 1323
  26. 3636
  27. 2744
  28. 3380
  29. 696
  30. 2910
  31. 1221
  32. 4038
  33. 3642
  34. 5094
  35. 4070
  36. 496
  37. 4046
  38. 1890
  39. 3248
  40. 1533

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