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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 888 · 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. 1.169 × 6 =
  2. 2.691 × 9 =
  3. 3.227 × 9 =
  4. 4.601 × 3 =
  5. 5.742 × 4 =
  6. 6.747 × 6 =
  7. 7.295 × 4 =
  8. 8.241 × 3 =
  9. 9.351 × 3 =
  10. 10.287 × 5 =
  11. 11.184 × 9 =
  12. 12.785 × 4 =
  13. 13.419 × 9 =
  14. 14.432 × 4 =
  15. 15.536 × 4 =
  16. 16.452 × 9 =
  17. 17.939 × 8 =
  18. 18.294 × 8 =
  19. 19.962 × 7 =
  20. 20.662 × 3 =
  21. 21.578 × 3 =
  22. 22.619 × 3 =
  23. 23.639 × 9 =
  24. 24.865 × 4 =
  25. 25.664 × 5 =
  26. 26.618 × 7 =
  27. 27.319 × 6 =
  28. 28.515 × 4 =
  29. 29.393 × 3 =
  30. 30.582 × 9 =
  31. 31.906 × 7 =
  32. 32.503 × 3 =
  33. 33.736 × 7 =
  34. 34.649 × 8 =
  35. 35.187 × 3 =
  36. 36.658 × 6 =
  37. 37.851 × 6 =
  38. 38.339 × 5 =
  39. 39.352 × 6 =
  40. 40.379 × 4 =

Answer key

  1. 1014
  2. 6219
  3. 2043
  4. 1803
  5. 2968
  6. 4482
  7. 1180
  8. 723
  9. 1053
  10. 1435
  11. 1656
  12. 3140
  13. 3771
  14. 1728
  15. 2144
  16. 4068
  17. 7512
  18. 2352
  19. 6734
  20. 1986
  21. 1734
  22. 1857
  23. 5751
  24. 3460
  25. 3320
  26. 4326
  27. 1914
  28. 2060
  29. 1179
  30. 5238
  31. 6342
  32. 1509
  33. 5152
  34. 5192
  35. 561
  36. 3948
  37. 5106
  38. 1695
  39. 2112
  40. 1516

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