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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 98 · 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. 1.989³ =
  2. 2.96³ =
  3. 3.101³ =
  4. 4.1013³ =
  5. 5.96³ =
  6. 6.1001³ =
  7. 7.1011³ =
  8. 8.99³ =
  9. 9.981³ =
  10. 10.1013³ =
  11. 11.1002³ =
  12. 12.107³ =
  13. 13.93³ =
  14. 14.92³ =
  15. 15.99³ =
  16. 16.95³ =
  17. 17.96³ =
  18. 18.1020³ =
  19. 19.986³ =
  20. 20.983³ =
  21. 21.1003³ =
  22. 22.93³ =
  23. 23.98³ =
  24. 24.1010³ =
  25. 25.1007³ =
  26. 26.1017³ =
  27. 27.988³ =
  28. 28.1007³ =
  29. 29.992³ =
  30. 30.98³ =
  31. 31.93³ =
  32. 32.1011³ =
  33. 33.106³ =
  34. 34.99³ =
  35. 35.95³ =
  36. 36.990³ =
  37. 37.980³ =
  38. 38.990³ =
  39. 39.101³ =
  40. 40.94³ =

Answer key

  1. 967361669
  2. 884736
  3. 1030301
  4. 1039509197
  5. 884736
  6. 1003003001
  7. 1033364331
  8. 970299
  9. 944076141
  10. 1039509197
  11. 1006012008
  12. 1225043
  13. 804357
  14. 778688
  15. 970299
  16. 857375
  17. 884736
  18. 1061208000
  19. 958585256
  20. 949862087
  21. 1009027027
  22. 804357
  23. 941192
  24. 1030301000
  25. 1021147343
  26. 1051871913
  27. 964430272
  28. 1021147343
  29. 976191488
  30. 941192
  31. 804357
  32. 1033364331
  33. 1191016
  34. 970299
  35. 857375
  36. 970299000
  37. 941192000
  38. 970299000
  39. 1030301
  40. 830584

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