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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 488 · 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. 1.432 × 9 =
  2. 2.346 × 6 =
  3. 3.254 × 3 =
  4. 4.966 × 9 =
  5. 5.116 × 7 =
  6. 6.483 × 9 =
  7. 7.685 × 9 =
  8. 8.741 × 4 =
  9. 9.912 × 3 =
  10. 10.486 × 3 =
  11. 11.801 × 7 =
  12. 12.767 × 4 =
  13. 13.371 × 5 =
  14. 14.788 × 5 =
  15. 15.988 × 3 =
  16. 16.722 × 4 =
  17. 17.577 × 5 =
  18. 18.307 × 5 =
  19. 19.223 × 7 =
  20. 20.128 × 4 =
  21. 21.161 × 7 =
  22. 22.723 × 7 =
  23. 23.435 × 4 =
  24. 24.474 × 6 =
  25. 25.507 × 6 =
  26. 26.749 × 8 =
  27. 27.651 × 9 =
  28. 28.837 × 5 =
  29. 29.284 × 3 =
  30. 30.427 × 6 =
  31. 31.719 × 4 =
  32. 32.851 × 6 =
  33. 33.389 × 4 =
  34. 34.958 × 3 =
  35. 35.782 × 9 =
  36. 36.194 × 3 =
  37. 37.968 × 4 =
  38. 38.266 × 6 =
  39. 39.136 × 6 =
  40. 40.586 × 9 =

Answer key

  1. 3888
  2. 2076
  3. 762
  4. 8694
  5. 812
  6. 4347
  7. 6165
  8. 2964
  9. 2736
  10. 1458
  11. 5607
  12. 3068
  13. 1855
  14. 3940
  15. 2964
  16. 2888
  17. 2885
  18. 1535
  19. 1561
  20. 512
  21. 1127
  22. 5061
  23. 1740
  24. 2844
  25. 3042
  26. 5992
  27. 5859
  28. 4185
  29. 852
  30. 2562
  31. 2876
  32. 5106
  33. 1556
  34. 2874
  35. 7038
  36. 582
  37. 3872
  38. 1596
  39. 816
  40. 5274

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