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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 59 · 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. 1.93³ =
  2. 2.989³ =
  3. 3.992³ =
  4. 4.98³ =
  5. 5.989³ =
  6. 6.1002³ =
  7. 7.994³ =
  8. 8.107³ =
  9. 9.99³ =
  10. 10.106³ =
  11. 11.99³ =
  12. 12.989³ =
  13. 13.99³ =
  14. 14.95³ =
  15. 15.981³ =
  16. 16.1012³ =
  17. 17.99³ =
  18. 18.988³ =
  19. 19.998³ =
  20. 20.1001³ =
  21. 21.101³ =
  22. 22.1018³ =
  23. 23.109³ =
  24. 24.96³ =
  25. 25.104³ =
  26. 26.97³ =
  27. 27.96³ =
  28. 28.93³ =
  29. 29.1017³ =
  30. 30.997³ =
  31. 31.104³ =
  32. 32.91³ =
  33. 33.980³ =
  34. 34.1013³ =
  35. 35.99³ =
  36. 36.94³ =
  37. 37.96³ =
  38. 38.96³ =
  39. 39.107³ =
  40. 40.98³ =

Answer key

  1. 804357
  2. 967361669
  3. 976191488
  4. 941192
  5. 967361669
  6. 1006012008
  7. 982107784
  8. 1225043
  9. 970299
  10. 1191016
  11. 970299
  12. 967361669
  13. 970299
  14. 857375
  15. 944076141
  16. 1036433728
  17. 970299
  18. 964430272
  19. 994011992
  20. 1003003001
  21. 1030301
  22. 1054977832
  23. 1295029
  24. 884736
  25. 1124864
  26. 912673
  27. 884736
  28. 804357
  29. 1051871913
  30. 991026973
  31. 1124864
  32. 753571
  33. 941192000
  34. 1039509197
  35. 970299
  36. 830584
  37. 884736
  38. 884736
  39. 1225043
  40. 941192

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