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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 915 · 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. 1.101³ =
  2. 2.102³ =
  3. 3.93³ =
  4. 4.1019³ =
  5. 5.103³ =
  6. 6.92³ =
  7. 7.102³ =
  8. 8.95³ =
  9. 9.99³ =
  10. 10.97³ =
  11. 11.97³ =
  12. 12.92³ =
  13. 13.1020³ =
  14. 14.108³ =
  15. 15.991³ =
  16. 16.106³ =
  17. 17.99³ =
  18. 18.99³ =
  19. 19.1020³ =
  20. 20.107³ =
  21. 21.980³ =
  22. 22.95³ =
  23. 23.95³ =
  24. 24.987³ =
  25. 25.1010³ =
  26. 26.98³ =
  27. 27.108³ =
  28. 28.102³ =
  29. 29.984³ =
  30. 30.97³ =
  31. 31.1009³ =
  32. 32.1011³ =
  33. 33.103³ =
  34. 34.105³ =
  35. 35.989³ =
  36. 36.105³ =
  37. 37.1009³ =
  38. 38.94³ =
  39. 39.107³ =
  40. 40.97³ =

Answer key

  1. 1030301
  2. 1061208
  3. 804357
  4. 1058089859
  5. 1092727
  6. 778688
  7. 1061208
  8. 857375
  9. 970299
  10. 912673
  11. 912673
  12. 778688
  13. 1061208000
  14. 1259712
  15. 973242271
  16. 1191016
  17. 970299
  18. 970299
  19. 1061208000
  20. 1225043
  21. 941192000
  22. 857375
  23. 857375
  24. 961504803
  25. 1030301000
  26. 941192
  27. 1259712
  28. 1061208
  29. 952763904
  30. 912673
  31. 1027243729
  32. 1033364331
  33. 1092727
  34. 1157625
  35. 967361669
  36. 1157625
  37. 1027243729
  38. 830584
  39. 1225043
  40. 912673

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