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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 992 · 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. 1.231 × 8 =
  2. 2.179 × 6 =
  3. 3.466 × 9 =
  4. 4.171 × 5 =
  5. 5.368 × 9 =
  6. 6.312 × 3 =
  7. 7.326 × 9 =
  8. 8.769 × 8 =
  9. 9.349 × 4 =
  10. 10.956 × 5 =
  11. 11.937 × 5 =
  12. 12.251 × 3 =
  13. 13.593 × 8 =
  14. 14.821 × 5 =
  15. 15.249 × 5 =
  16. 16.151 × 5 =
  17. 17.255 × 6 =
  18. 18.986 × 4 =
  19. 19.511 × 8 =
  20. 20.566 × 3 =
  21. 21.932 × 5 =
  22. 22.641 × 4 =
  23. 23.725 × 9 =
  24. 24.673 × 6 =
  25. 25.963 × 3 =
  26. 26.582 × 9 =
  27. 27.751 × 3 =
  28. 28.811 × 5 =
  29. 29.553 × 9 =
  30. 30.488 × 6 =
  31. 31.237 × 3 =
  32. 32.441 × 8 =
  33. 33.943 × 8 =
  34. 34.368 × 4 =
  35. 35.704 × 5 =
  36. 36.202 × 6 =
  37. 37.667 × 3 =
  38. 38.301 × 4 =
  39. 39.531 × 9 =
  40. 40.452 × 4 =

Answer key

  1. 1848
  2. 1074
  3. 4194
  4. 855
  5. 3312
  6. 936
  7. 2934
  8. 6152
  9. 1396
  10. 4780
  11. 4685
  12. 753
  13. 4744
  14. 4105
  15. 1245
  16. 755
  17. 1530
  18. 3944
  19. 4088
  20. 1698
  21. 4660
  22. 2564
  23. 6525
  24. 4038
  25. 2889
  26. 5238
  27. 2253
  28. 4055
  29. 4977
  30. 2928
  31. 711
  32. 3528
  33. 7544
  34. 1472
  35. 3520
  36. 1212
  37. 2001
  38. 1204
  39. 4779
  40. 1808

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