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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 419 · 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. 1.1007³ =
  2. 2.999³ =
  3. 3.97³ =
  4. 4.94³ =
  5. 5.92³ =
  6. 6.92³ =
  7. 7.109³ =
  8. 8.1019³ =
  9. 9.987³ =
  10. 10.95³ =
  11. 11.105³ =
  12. 12.102³ =
  13. 13.96³ =
  14. 14.92³ =
  15. 15.95³ =
  16. 16.983³ =
  17. 17.1001³ =
  18. 18.984³ =
  19. 19.109³ =
  20. 20.106³ =
  21. 21.996³ =
  22. 22.107³ =
  23. 23.109³ =
  24. 24.93³ =
  25. 25.101³ =
  26. 26.991³ =
  27. 27.1005³ =
  28. 28.107³ =
  29. 29.983³ =
  30. 30.1020³ =
  31. 31.105³ =
  32. 32.993³ =
  33. 33.109³ =
  34. 34.991³ =
  35. 35.106³ =
  36. 36.1006³ =
  37. 37.105³ =
  38. 38.987³ =
  39. 39.988³ =
  40. 40.103³ =

Answer key

  1. 1021147343
  2. 997002999
  3. 912673
  4. 830584
  5. 778688
  6. 778688
  7. 1295029
  8. 1058089859
  9. 961504803
  10. 857375
  11. 1157625
  12. 1061208
  13. 884736
  14. 778688
  15. 857375
  16. 949862087
  17. 1003003001
  18. 952763904
  19. 1295029
  20. 1191016
  21. 988047936
  22. 1225043
  23. 1295029
  24. 804357
  25. 1030301
  26. 973242271
  27. 1015075125
  28. 1225043
  29. 949862087
  30. 1061208000
  31. 1157625
  32. 979146657
  33. 1295029
  34. 973242271
  35. 1191016
  36. 1018108216
  37. 1157625
  38. 961504803
  39. 964430272
  40. 1092727

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