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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 899 · 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. 2.1007³ =
  3. 3.1013³ =
  4. 4.98³ =
  5. 5.994³ =
  6. 6.108³ =
  7. 7.99³ =
  8. 8.101³ =
  9. 9.991³ =
  10. 10.102³ =
  11. 11.105³ =
  12. 12.99³ =
  13. 13.109³ =
  14. 14.995³ =
  15. 15.102³ =
  16. 16.996³ =
  17. 17.986³ =
  18. 18.1001³ =
  19. 19.99³ =
  20. 20.97³ =
  21. 21.997³ =
  22. 22.990³ =
  23. 23.989³ =
  24. 24.988³ =
  25. 25.92³ =
  26. 26.104³ =
  27. 27.1019³ =
  28. 28.105³ =
  29. 29.107³ =
  30. 30.1005³ =
  31. 31.107³ =
  32. 32.108³ =
  33. 33.102³ =
  34. 34.105³ =
  35. 35.108³ =
  36. 36.985³ =
  37. 37.1002³ =
  38. 38.985³ =
  39. 39.98³ =
  40. 40.106³ =

Answer key

  1. 970299
  2. 1021147343
  3. 1039509197
  4. 941192
  5. 982107784
  6. 1259712
  7. 970299
  8. 1030301
  9. 973242271
  10. 1061208
  11. 1157625
  12. 970299
  13. 1295029
  14. 985074875
  15. 1061208
  16. 988047936
  17. 958585256
  18. 1003003001
  19. 970299
  20. 912673
  21. 991026973
  22. 970299000
  23. 967361669
  24. 964430272
  25. 778688
  26. 1124864
  27. 1058089859
  28. 1157625
  29. 1225043
  30. 1015075125
  31. 1225043
  32. 1259712
  33. 1061208
  34. 1157625
  35. 1259712
  36. 955671625
  37. 1006012008
  38. 955671625
  39. 941192
  40. 1191016

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