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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 454 · 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. 1.995³ =
  2. 2.94³ =
  3. 3.989³ =
  4. 4.107³ =
  5. 5.108³ =
  6. 6.104³ =
  7. 7.1018³ =
  8. 8.995³ =
  9. 9.98³ =
  10. 10.995³ =
  11. 11.1010³ =
  12. 12.98³ =
  13. 13.91³ =
  14. 14.1005³ =
  15. 15.1003³ =
  16. 16.102³ =
  17. 17.980³ =
  18. 18.101³ =
  19. 19.1005³ =
  20. 20.96³ =
  21. 21.991³ =
  22. 22.101³ =
  23. 23.103³ =
  24. 24.1003³ =
  25. 25.1001³ =
  26. 26.1019³ =
  27. 27.95³ =
  28. 28.105³ =
  29. 29.104³ =
  30. 30.103³ =
  31. 31.994³ =
  32. 32.983³ =
  33. 33.981³ =
  34. 34.108³ =
  35. 35.101³ =
  36. 36.1006³ =
  37. 37.1020³ =
  38. 38.1015³ =
  39. 39.987³ =
  40. 40.107³ =

Answer key

  1. 985074875
  2. 830584
  3. 967361669
  4. 1225043
  5. 1259712
  6. 1124864
  7. 1054977832
  8. 985074875
  9. 941192
  10. 985074875
  11. 1030301000
  12. 941192
  13. 753571
  14. 1015075125
  15. 1009027027
  16. 1061208
  17. 941192000
  18. 1030301
  19. 1015075125
  20. 884736
  21. 973242271
  22. 1030301
  23. 1092727
  24. 1009027027
  25. 1003003001
  26. 1058089859
  27. 857375
  28. 1157625
  29. 1124864
  30. 1092727
  31. 982107784
  32. 949862087
  33. 944076141
  34. 1259712
  35. 1030301
  36. 1018108216
  37. 1061208000
  38. 1045678375
  39. 961504803
  40. 1225043

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