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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 799 · 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. 1.811 × 4 =
  2. 2.281 × 9 =
  3. 3.867 × 6 =
  4. 4.725 × 4 =
  5. 5.371 × 5 =
  6. 6.623 × 4 =
  7. 7.244 × 8 =
  8. 8.314 × 3 =
  9. 9.965 × 8 =
  10. 10.678 × 4 =
  11. 11.138 × 4 =
  12. 12.376 × 3 =
  13. 13.887 × 8 =
  14. 14.503 × 8 =
  15. 15.432 × 4 =
  16. 16.127 × 3 =
  17. 17.845 × 3 =
  18. 18.975 × 9 =
  19. 19.121 × 7 =
  20. 20.772 × 4 =
  21. 21.781 × 9 =
  22. 22.695 × 8 =
  23. 23.359 × 3 =
  24. 24.983 × 4 =
  25. 25.275 × 4 =
  26. 26.319 × 4 =
  27. 27.215 × 3 =
  28. 28.944 × 3 =
  29. 29.693 × 7 =
  30. 30.516 × 4 =
  31. 31.313 × 6 =
  32. 32.173 × 9 =
  33. 33.211 × 3 =
  34. 34.331 × 4 =
  35. 35.313 × 5 =
  36. 36.674 × 5 =
  37. 37.548 × 3 =
  38. 38.771 × 6 =
  39. 39.967 × 5 =
  40. 40.608 × 4 =

Answer key

  1. 3244
  2. 2529
  3. 5202
  4. 2900
  5. 1855
  6. 2492
  7. 1952
  8. 942
  9. 7720
  10. 2712
  11. 552
  12. 1128
  13. 7096
  14. 4024
  15. 1728
  16. 381
  17. 2535
  18. 8775
  19. 847
  20. 3088
  21. 7029
  22. 5560
  23. 1077
  24. 3932
  25. 1100
  26. 1276
  27. 645
  28. 2832
  29. 4851
  30. 2064
  31. 1878
  32. 1557
  33. 633
  34. 1324
  35. 1565
  36. 3370
  37. 1644
  38. 4626
  39. 4835
  40. 2432

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