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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 646 · 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. 1.105³ =
  2. 2.982³ =
  3. 3.95³ =
  4. 4.101³ =
  5. 5.92³ =
  6. 6.995³ =
  7. 7.1017³ =
  8. 8.96³ =
  9. 9.990³ =
  10. 10.1002³ =
  11. 11.997³ =
  12. 12.91³ =
  13. 13.1005³ =
  14. 14.1007³ =
  15. 15.105³ =
  16. 16.108³ =
  17. 17.986³ =
  18. 18.92³ =
  19. 19.103³ =
  20. 20.987³ =
  21. 21.1008³ =
  22. 22.107³ =
  23. 23.1002³ =
  24. 24.1019³ =
  25. 25.101³ =
  26. 26.98³ =
  27. 27.1017³ =
  28. 28.109³ =
  29. 29.1005³ =
  30. 30.983³ =
  31. 31.1005³ =
  32. 32.108³ =
  33. 33.107³ =
  34. 34.94³ =
  35. 35.104³ =
  36. 36.99³ =
  37. 37.92³ =
  38. 38.1013³ =
  39. 39.1005³ =
  40. 40.991³ =

Answer key

  1. 1157625
  2. 946966168
  3. 857375
  4. 1030301
  5. 778688
  6. 985074875
  7. 1051871913
  8. 884736
  9. 970299000
  10. 1006012008
  11. 991026973
  12. 753571
  13. 1015075125
  14. 1021147343
  15. 1157625
  16. 1259712
  17. 958585256
  18. 778688
  19. 1092727
  20. 961504803
  21. 1024192512
  22. 1225043
  23. 1006012008
  24. 1058089859
  25. 1030301
  26. 941192
  27. 1051871913
  28. 1295029
  29. 1015075125
  30. 949862087
  31. 1015075125
  32. 1259712
  33. 1225043
  34. 830584
  35. 1124864
  36. 970299
  37. 778688
  38. 1039509197
  39. 1015075125
  40. 973242271

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