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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 933 · 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. 1.1006³ =
  2. 2.104³ =
  3. 3.997³ =
  4. 4.1018³ =
  5. 5.99³ =
  6. 6.1007³ =
  7. 7.105³ =
  8. 8.109³ =
  9. 9.98³ =
  10. 10.99³ =
  11. 11.1014³ =
  12. 12.109³ =
  13. 13.98³ =
  14. 14.95³ =
  15. 15.95³ =
  16. 16.981³ =
  17. 17.101³ =
  18. 18.97³ =
  19. 19.98³ =
  20. 20.101³ =
  21. 21.989³ =
  22. 22.1002³ =
  23. 23.101³ =
  24. 24.996³ =
  25. 25.97³ =
  26. 26.91³ =
  27. 27.1011³ =
  28. 28.996³ =
  29. 29.104³ =
  30. 30.96³ =
  31. 31.91³ =
  32. 32.986³ =
  33. 33.97³ =
  34. 34.1001³ =
  35. 35.108³ =
  36. 36.98³ =
  37. 37.985³ =
  38. 38.1017³ =
  39. 39.1015³ =
  40. 40.1005³ =

Answer key

  1. 1018108216
  2. 1124864
  3. 991026973
  4. 1054977832
  5. 970299
  6. 1021147343
  7. 1157625
  8. 1295029
  9. 941192
  10. 970299
  11. 1042590744
  12. 1295029
  13. 941192
  14. 857375
  15. 857375
  16. 944076141
  17. 1030301
  18. 912673
  19. 941192
  20. 1030301
  21. 967361669
  22. 1006012008
  23. 1030301
  24. 988047936
  25. 912673
  26. 753571
  27. 1033364331
  28. 988047936
  29. 1124864
  30. 884736
  31. 753571
  32. 958585256
  33. 912673
  34. 1003003001
  35. 1259712
  36. 941192
  37. 955671625
  38. 1051871913
  39. 1045678375
  40. 1015075125

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