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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 927 · 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. 1.435 × 3 =
  2. 2.256 × 7 =
  3. 3.398 × 5 =
  4. 4.151 × 5 =
  5. 5.345 × 3 =
  6. 6.689 × 3 =
  7. 7.595 × 5 =
  8. 8.633 × 4 =
  9. 9.541 × 5 =
  10. 10.576 × 3 =
  11. 11.579 × 6 =
  12. 12.139 × 8 =
  13. 13.841 × 4 =
  14. 14.842 × 3 =
  15. 15.179 × 4 =
  16. 16.281 × 8 =
  17. 17.716 × 8 =
  18. 18.912 × 8 =
  19. 19.306 × 5 =
  20. 20.403 × 7 =
  21. 21.491 × 3 =
  22. 22.231 × 7 =
  23. 23.302 × 9 =
  24. 24.937 × 8 =
  25. 25.862 × 7 =
  26. 26.462 × 4 =
  27. 27.318 × 6 =
  28. 28.981 × 9 =
  29. 29.349 × 6 =
  30. 30.271 × 3 =
  31. 31.901 × 4 =
  32. 32.123 × 6 =
  33. 33.713 × 6 =
  34. 34.174 × 8 =
  35. 35.126 × 6 =
  36. 36.256 × 3 =
  37. 37.291 × 8 =
  38. 38.541 × 4 =
  39. 39.114 × 3 =
  40. 40.959 × 3 =

Answer key

  1. 1305
  2. 1792
  3. 1990
  4. 755
  5. 1035
  6. 2067
  7. 2975
  8. 2532
  9. 2705
  10. 1728
  11. 3474
  12. 1112
  13. 3364
  14. 2526
  15. 716
  16. 2248
  17. 5728
  18. 7296
  19. 1530
  20. 2821
  21. 1473
  22. 1617
  23. 2718
  24. 7496
  25. 6034
  26. 1848
  27. 1908
  28. 8829
  29. 2094
  30. 813
  31. 3604
  32. 738
  33. 4278
  34. 1392
  35. 756
  36. 768
  37. 2328
  38. 2164
  39. 342
  40. 2877

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