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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 733 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.990³ =
  2. 2.98³ =
  3. 3.103³ =
  4. 4.105³ =
  5. 5.96³ =
  6. 6.104³ =
  7. 7.983³ =
  8. 8.986³ =
  9. 9.91³ =
  10. 10.92³ =
  11. 11.989³ =
  12. 12.103³ =
  13. 13.980³ =
  14. 14.92³ =
  15. 15.986³ =
  16. 16.990³ =
  17. 17.998³ =
  18. 18.106³ =
  19. 19.106³ =
  20. 20.993³ =
  21. 21.91³ =
  22. 22.1005³ =
  23. 23.102³ =
  24. 24.980³ =
  25. 25.1007³ =
  26. 26.982³ =
  27. 27.97³ =
  28. 28.94³ =
  29. 29.984³ =
  30. 30.107³ =
  31. 31.105³ =
  32. 32.1002³ =
  33. 33.1001³ =
  34. 34.990³ =
  35. 35.109³ =
  36. 36.999³ =
  37. 37.993³ =
  38. 38.997³ =
  39. 39.987³ =
  40. 40.105³ =

Answer key

  1. 970299000
  2. 941192
  3. 1092727
  4. 1157625
  5. 884736
  6. 1124864
  7. 949862087
  8. 958585256
  9. 753571
  10. 778688
  11. 967361669
  12. 1092727
  13. 941192000
  14. 778688
  15. 958585256
  16. 970299000
  17. 994011992
  18. 1191016
  19. 1191016
  20. 979146657
  21. 753571
  22. 1015075125
  23. 1061208
  24. 941192000
  25. 1021147343
  26. 946966168
  27. 912673
  28. 830584
  29. 952763904
  30. 1225043
  31. 1157625
  32. 1006012008
  33. 1003003001
  34. 970299000
  35. 1295029
  36. 997002999
  37. 979146657
  38. 991026973
  39. 961504803
  40. 1157625

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