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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 641 · 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. 1.898 × 3 =
  2. 2.537 × 5 =
  3. 3.657 × 4 =
  4. 4.543 × 8 =
  5. 5.345 × 3 =
  6. 6.357 × 7 =
  7. 7.301 × 3 =
  8. 8.863 × 4 =
  9. 9.872 × 9 =
  10. 10.274 × 3 =
  11. 11.576 × 5 =
  12. 12.815 × 6 =
  13. 13.685 × 4 =
  14. 14.519 × 3 =
  15. 15.384 × 6 =
  16. 16.757 × 3 =
  17. 17.649 × 3 =
  18. 18.137 × 8 =
  19. 19.675 × 5 =
  20. 20.237 × 7 =
  21. 21.861 × 4 =
  22. 22.354 × 6 =
  23. 23.561 × 9 =
  24. 24.189 × 7 =
  25. 25.931 × 7 =
  26. 26.771 × 9 =
  27. 27.411 × 9 =
  28. 28.905 × 8 =
  29. 29.714 × 6 =
  30. 30.665 × 9 =
  31. 31.533 × 4 =
  32. 32.706 × 5 =
  33. 33.521 × 9 =
  34. 34.971 × 5 =
  35. 35.167 × 8 =
  36. 36.135 × 8 =
  37. 37.112 × 8 =
  38. 38.955 × 4 =
  39. 39.623 × 3 =
  40. 40.419 × 7 =

Answer key

  1. 2694
  2. 2685
  3. 2628
  4. 4344
  5. 1035
  6. 2499
  7. 903
  8. 3452
  9. 7848
  10. 822
  11. 2880
  12. 4890
  13. 2740
  14. 1557
  15. 2304
  16. 2271
  17. 1947
  18. 1096
  19. 3375
  20. 1659
  21. 3444
  22. 2124
  23. 5049
  24. 1323
  25. 6517
  26. 6939
  27. 3699
  28. 7240
  29. 4284
  30. 5985
  31. 2132
  32. 3530
  33. 4689
  34. 4855
  35. 1336
  36. 1080
  37. 896
  38. 3820
  39. 1869
  40. 2933

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