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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 652 · 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. 1.108³ =
  2. 2.987³ =
  3. 3.990³ =
  4. 4.105³ =
  5. 5.991³ =
  6. 6.996³ =
  7. 7.109³ =
  8. 8.98³ =
  9. 9.106³ =
  10. 10.99³ =
  11. 11.107³ =
  12. 12.1012³ =
  13. 13.91³ =
  14. 14.91³ =
  15. 15.1019³ =
  16. 16.105³ =
  17. 17.102³ =
  18. 18.99³ =
  19. 19.99³ =
  20. 20.981³ =
  21. 21.103³ =
  22. 22.96³ =
  23. 23.98³ =
  24. 24.101³ =
  25. 25.986³ =
  26. 26.104³ =
  27. 27.104³ =
  28. 28.997³ =
  29. 29.1005³ =
  30. 30.99³ =
  31. 31.982³ =
  32. 32.992³ =
  33. 33.108³ =
  34. 34.1009³ =
  35. 35.1019³ =
  36. 36.1002³ =
  37. 37.995³ =
  38. 38.1012³ =
  39. 39.989³ =
  40. 40.997³ =

Answer key

  1. 1259712
  2. 961504803
  3. 970299000
  4. 1157625
  5. 973242271
  6. 988047936
  7. 1295029
  8. 941192
  9. 1191016
  10. 970299
  11. 1225043
  12. 1036433728
  13. 753571
  14. 753571
  15. 1058089859
  16. 1157625
  17. 1061208
  18. 970299
  19. 970299
  20. 944076141
  21. 1092727
  22. 884736
  23. 941192
  24. 1030301
  25. 958585256
  26. 1124864
  27. 1124864
  28. 991026973
  29. 1015075125
  30. 970299
  31. 946966168
  32. 976191488
  33. 1259712
  34. 1027243729
  35. 1058089859
  36. 1006012008
  37. 985074875
  38. 1036433728
  39. 967361669
  40. 991026973

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