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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 956 · 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. 1.978 × 5 =
  2. 2.342 × 6 =
  3. 3.806 × 3 =
  4. 4.641 × 3 =
  5. 5.949 × 9 =
  6. 6.901 × 5 =
  7. 7.371 × 5 =
  8. 8.951 × 8 =
  9. 9.494 × 5 =
  10. 10.131 × 9 =
  11. 11.463 × 3 =
  12. 12.337 × 6 =
  13. 13.771 × 6 =
  14. 14.875 × 9 =
  15. 15.143 × 3 =
  16. 16.827 × 9 =
  17. 17.439 × 3 =
  18. 18.358 × 4 =
  19. 19.227 × 6 =
  20. 20.857 × 5 =
  21. 21.303 × 6 =
  22. 22.159 × 9 =
  23. 23.588 × 4 =
  24. 24.674 × 9 =
  25. 25.124 × 5 =
  26. 26.554 × 6 =
  27. 27.138 × 6 =
  28. 28.379 × 8 =
  29. 29.595 × 5 =
  30. 30.899 × 3 =
  31. 31.566 × 9 =
  32. 32.403 × 7 =
  33. 33.674 × 5 =
  34. 34.191 × 7 =
  35. 35.848 × 9 =
  36. 36.162 × 4 =
  37. 37.784 × 6 =
  38. 38.913 × 7 =
  39. 39.877 × 4 =
  40. 40.169 × 5 =

Answer key

  1. 4890
  2. 2052
  3. 2418
  4. 1923
  5. 8541
  6. 4505
  7. 1855
  8. 7608
  9. 2470
  10. 1179
  11. 1389
  12. 2022
  13. 4626
  14. 7875
  15. 429
  16. 7443
  17. 1317
  18. 1432
  19. 1362
  20. 4285
  21. 1818
  22. 1431
  23. 2352
  24. 6066
  25. 620
  26. 3324
  27. 828
  28. 3032
  29. 2975
  30. 2697
  31. 5094
  32. 2821
  33. 3370
  34. 1337
  35. 7632
  36. 648
  37. 4704
  38. 6391
  39. 3508
  40. 845

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