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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 660 · 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. 1.98³ =
  2. 2.1013³ =
  3. 3.93³ =
  4. 4.1018³ =
  5. 5.102³ =
  6. 6.92³ =
  7. 7.99³ =
  8. 8.1014³ =
  9. 9.1018³ =
  10. 10.107³ =
  11. 11.998³ =
  12. 12.988³ =
  13. 13.103³ =
  14. 14.985³ =
  15. 15.108³ =
  16. 16.95³ =
  17. 17.1005³ =
  18. 18.998³ =
  19. 19.104³ =
  20. 20.983³ =
  21. 21.988³ =
  22. 22.989³ =
  23. 23.987³ =
  24. 24.103³ =
  25. 25.107³ =
  26. 26.95³ =
  27. 27.1010³ =
  28. 28.107³ =
  29. 29.103³ =
  30. 30.989³ =
  31. 31.93³ =
  32. 32.97³ =
  33. 33.95³ =
  34. 34.986³ =
  35. 35.995³ =
  36. 36.1012³ =
  37. 37.101³ =
  38. 38.97³ =
  39. 39.95³ =
  40. 40.94³ =

Answer key

  1. 941192
  2. 1039509197
  3. 804357
  4. 1054977832
  5. 1061208
  6. 778688
  7. 970299
  8. 1042590744
  9. 1054977832
  10. 1225043
  11. 994011992
  12. 964430272
  13. 1092727
  14. 955671625
  15. 1259712
  16. 857375
  17. 1015075125
  18. 994011992
  19. 1124864
  20. 949862087
  21. 964430272
  22. 967361669
  23. 961504803
  24. 1092727
  25. 1225043
  26. 857375
  27. 1030301000
  28. 1225043
  29. 1092727
  30. 967361669
  31. 804357
  32. 912673
  33. 857375
  34. 958585256
  35. 985074875
  36. 1036433728
  37. 1030301
  38. 912673
  39. 857375
  40. 830584

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