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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 123 · 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. 1.989³ =
  2. 2.107³ =
  3. 3.984³ =
  4. 4.1005³ =
  5. 5.999³ =
  6. 6.1010³ =
  7. 7.105³ =
  8. 8.96³ =
  9. 9.1020³ =
  10. 10.1019³ =
  11. 11.96³ =
  12. 12.989³ =
  13. 13.93³ =
  14. 14.1001³ =
  15. 15.92³ =
  16. 16.92³ =
  17. 17.102³ =
  18. 18.988³ =
  19. 19.99³ =
  20. 20.983³ =
  21. 21.109³ =
  22. 22.999³ =
  23. 23.93³ =
  24. 24.993³ =
  25. 25.1007³ =
  26. 26.997³ =
  27. 27.1019³ =
  28. 28.94³ =
  29. 29.96³ =
  30. 30.986³ =
  31. 31.1003³ =
  32. 32.999³ =
  33. 33.990³ =
  34. 34.996³ =
  35. 35.106³ =
  36. 36.1012³ =
  37. 37.106³ =
  38. 38.95³ =
  39. 39.91³ =
  40. 40.94³ =

Answer key

  1. 967361669
  2. 1225043
  3. 952763904
  4. 1015075125
  5. 997002999
  6. 1030301000
  7. 1157625
  8. 884736
  9. 1061208000
  10. 1058089859
  11. 884736
  12. 967361669
  13. 804357
  14. 1003003001
  15. 778688
  16. 778688
  17. 1061208
  18. 964430272
  19. 970299
  20. 949862087
  21. 1295029
  22. 997002999
  23. 804357
  24. 979146657
  25. 1021147343
  26. 991026973
  27. 1058089859
  28. 830584
  29. 884736
  30. 958585256
  31. 1009027027
  32. 997002999
  33. 970299000
  34. 988047936
  35. 1191016
  36. 1036433728
  37. 1191016
  38. 857375
  39. 753571
  40. 830584

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