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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 702 · 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. 1.168 × 6 =
  2. 2.359 × 8 =
  3. 3.584 × 6 =
  4. 4.358 × 8 =
  5. 5.315 × 6 =
  6. 6.488 × 8 =
  7. 7.509 × 7 =
  8. 8.966 × 3 =
  9. 9.854 × 5 =
  10. 10.739 × 4 =
  11. 11.151 × 8 =
  12. 12.267 × 4 =
  13. 13.485 × 8 =
  14. 14.594 × 3 =
  15. 15.479 × 4 =
  16. 16.606 × 3 =
  17. 17.831 × 7 =
  18. 18.439 × 7 =
  19. 19.718 × 3 =
  20. 20.734 × 6 =
  21. 21.337 × 8 =
  22. 22.731 × 3 =
  23. 23.921 × 7 =
  24. 24.786 × 7 =
  25. 25.552 × 9 =
  26. 26.154 × 5 =
  27. 27.561 × 9 =
  28. 28.427 × 6 =
  29. 29.686 × 3 =
  30. 30.411 × 4 =
  31. 31.451 × 9 =
  32. 32.961 × 6 =
  33. 33.671 × 7 =
  34. 34.779 × 3 =
  35. 35.157 × 9 =
  36. 36.971 × 9 =
  37. 37.633 × 6 =
  38. 38.519 × 4 =
  39. 39.344 × 3 =
  40. 40.681 × 3 =

Answer key

  1. 1008
  2. 2872
  3. 3504
  4. 2864
  5. 1890
  6. 3904
  7. 3563
  8. 2898
  9. 4270
  10. 2956
  11. 1208
  12. 1068
  13. 3880
  14. 1782
  15. 1916
  16. 1818
  17. 5817
  18. 3073
  19. 2154
  20. 4404
  21. 2696
  22. 2193
  23. 6447
  24. 5502
  25. 4968
  26. 770
  27. 5049
  28. 2562
  29. 2058
  30. 1644
  31. 4059
  32. 5766
  33. 4697
  34. 2337
  35. 1413
  36. 8739
  37. 3798
  38. 2076
  39. 1032
  40. 2043

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