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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 824 · 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. 1.972 × 6 =
  2. 2.675 × 8 =
  3. 3.219 × 8 =
  4. 4.952 × 4 =
  5. 5.351 × 4 =
  6. 6.577 × 7 =
  7. 7.677 × 9 =
  8. 8.847 × 3 =
  9. 9.845 × 8 =
  10. 10.135 × 8 =
  11. 11.225 × 9 =
  12. 12.958 × 5 =
  13. 13.279 × 8 =
  14. 14.881 × 4 =
  15. 15.945 × 4 =
  16. 16.862 × 7 =
  17. 17.777 × 9 =
  18. 18.437 × 7 =
  19. 19.554 × 6 =
  20. 20.895 × 3 =
  21. 21.772 × 5 =
  22. 22.541 × 5 =
  23. 23.916 × 6 =
  24. 24.242 × 3 =
  25. 25.721 × 6 =
  26. 26.295 × 5 =
  27. 27.727 × 3 =
  28. 28.921 × 3 =
  29. 29.743 × 4 =
  30. 30.661 × 3 =
  31. 31.298 × 3 =
  32. 32.339 × 9 =
  33. 33.342 × 5 =
  34. 34.634 × 3 =
  35. 35.454 × 8 =
  36. 36.138 × 8 =
  37. 37.205 × 6 =
  38. 38.162 × 3 =
  39. 39.772 × 3 =
  40. 40.313 × 3 =

Answer key

  1. 5832
  2. 5400
  3. 1752
  4. 3808
  5. 1404
  6. 4039
  7. 6093
  8. 2541
  9. 6760
  10. 1080
  11. 2025
  12. 4790
  13. 2232
  14. 3524
  15. 3780
  16. 6034
  17. 6993
  18. 3059
  19. 3324
  20. 2685
  21. 3860
  22. 2705
  23. 5496
  24. 726
  25. 4326
  26. 1475
  27. 2181
  28. 2763
  29. 2972
  30. 1983
  31. 894
  32. 3051
  33. 1710
  34. 1902
  35. 3632
  36. 1104
  37. 1230
  38. 486
  39. 2316
  40. 939

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