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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 324 · 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. 1.108³ =
  2. 2.984³ =
  3. 3.98³ =
  4. 4.95³ =
  5. 5.980³ =
  6. 6.1006³ =
  7. 7.988³ =
  8. 8.91³ =
  9. 9.1018³ =
  10. 10.99³ =
  11. 11.1007³ =
  12. 12.1001³ =
  13. 13.102³ =
  14. 14.97³ =
  15. 15.106³ =
  16. 16.99³ =
  17. 17.94³ =
  18. 18.1005³ =
  19. 19.105³ =
  20. 20.99³ =
  21. 21.98³ =
  22. 22.102³ =
  23. 23.997³ =
  24. 24.97³ =
  25. 25.1006³ =
  26. 26.1004³ =
  27. 27.1004³ =
  28. 28.983³ =
  29. 29.983³ =
  30. 30.1015³ =
  31. 31.1004³ =
  32. 32.98³ =
  33. 33.986³ =
  34. 34.1020³ =
  35. 35.98³ =
  36. 36.93³ =
  37. 37.102³ =
  38. 38.95³ =
  39. 39.96³ =
  40. 40.986³ =

Answer key

  1. 1259712
  2. 952763904
  3. 941192
  4. 857375
  5. 941192000
  6. 1018108216
  7. 964430272
  8. 753571
  9. 1054977832
  10. 970299
  11. 1021147343
  12. 1003003001
  13. 1061208
  14. 912673
  15. 1191016
  16. 970299
  17. 830584
  18. 1015075125
  19. 1157625
  20. 970299
  21. 941192
  22. 1061208
  23. 991026973
  24. 912673
  25. 1018108216
  26. 1012048064
  27. 1012048064
  28. 949862087
  29. 949862087
  30. 1045678375
  31. 1012048064
  32. 941192
  33. 958585256
  34. 1061208000
  35. 941192
  36. 804357
  37. 1061208
  38. 857375
  39. 884736
  40. 958585256

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