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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 393 · 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. 1.99³ =
  2. 2.991³ =
  3. 3.102³ =
  4. 4.988³ =
  5. 5.1015³ =
  6. 6.994³ =
  7. 7.101³ =
  8. 8.983³ =
  9. 9.91³ =
  10. 10.108³ =
  11. 11.101³ =
  12. 12.105³ =
  13. 13.1020³ =
  14. 14.94³ =
  15. 15.107³ =
  16. 16.1014³ =
  17. 17.998³ =
  18. 18.92³ =
  19. 19.107³ =
  20. 20.104³ =
  21. 21.988³ =
  22. 22.99³ =
  23. 23.981³ =
  24. 24.101³ =
  25. 25.99³ =
  26. 26.1010³ =
  27. 27.981³ =
  28. 28.96³ =
  29. 29.1018³ =
  30. 30.1007³ =
  31. 31.91³ =
  32. 32.988³ =
  33. 33.95³ =
  34. 34.104³ =
  35. 35.105³ =
  36. 36.987³ =
  37. 37.988³ =
  38. 38.98³ =
  39. 39.104³ =
  40. 40.997³ =

Answer key

  1. 970299
  2. 973242271
  3. 1061208
  4. 964430272
  5. 1045678375
  6. 982107784
  7. 1030301
  8. 949862087
  9. 753571
  10. 1259712
  11. 1030301
  12. 1157625
  13. 1061208000
  14. 830584
  15. 1225043
  16. 1042590744
  17. 994011992
  18. 778688
  19. 1225043
  20. 1124864
  21. 964430272
  22. 970299
  23. 944076141
  24. 1030301
  25. 970299
  26. 1030301000
  27. 944076141
  28. 884736
  29. 1054977832
  30. 1021147343
  31. 753571
  32. 964430272
  33. 857375
  34. 1124864
  35. 1157625
  36. 961504803
  37. 964430272
  38. 941192
  39. 1124864
  40. 991026973

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