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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 971 · 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. 1.106³ =
  2. 2.989³ =
  3. 3.998³ =
  4. 4.1020³ =
  5. 5.997³ =
  6. 6.101³ =
  7. 7.94³ =
  8. 8.985³ =
  9. 9.99³ =
  10. 10.104³ =
  11. 11.96³ =
  12. 12.983³ =
  13. 13.101³ =
  14. 14.98³ =
  15. 15.97³ =
  16. 16.91³ =
  17. 17.981³ =
  18. 18.101³ =
  19. 19.980³ =
  20. 20.109³ =
  21. 21.984³ =
  22. 22.96³ =
  23. 23.91³ =
  24. 24.109³ =
  25. 25.1004³ =
  26. 26.1010³ =
  27. 27.104³ =
  28. 28.109³ =
  29. 29.997³ =
  30. 30.106³ =
  31. 31.1005³ =
  32. 32.104³ =
  33. 33.104³ =
  34. 34.988³ =
  35. 35.104³ =
  36. 36.96³ =
  37. 37.97³ =
  38. 38.105³ =
  39. 39.98³ =
  40. 40.106³ =

Answer key

  1. 1191016
  2. 967361669
  3. 994011992
  4. 1061208000
  5. 991026973
  6. 1030301
  7. 830584
  8. 955671625
  9. 970299
  10. 1124864
  11. 884736
  12. 949862087
  13. 1030301
  14. 941192
  15. 912673
  16. 753571
  17. 944076141
  18. 1030301
  19. 941192000
  20. 1295029
  21. 952763904
  22. 884736
  23. 753571
  24. 1295029
  25. 1012048064
  26. 1030301000
  27. 1124864
  28. 1295029
  29. 991026973
  30. 1191016
  31. 1015075125
  32. 1124864
  33. 1124864
  34. 964430272
  35. 1124864
  36. 884736
  37. 912673
  38. 1157625
  39. 941192
  40. 1191016

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