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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 970 · 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. 2.1005³ =
  3. 3.106³ =
  4. 4.102³ =
  5. 5.107³ =
  6. 6.1012³ =
  7. 7.985³ =
  8. 8.104³ =
  9. 9.1002³ =
  10. 10.1005³ =
  11. 11.996³ =
  12. 12.105³ =
  13. 13.102³ =
  14. 14.98³ =
  15. 15.985³ =
  16. 16.1002³ =
  17. 17.109³ =
  18. 18.983³ =
  19. 19.1007³ =
  20. 20.999³ =
  21. 21.986³ =
  22. 22.104³ =
  23. 23.995³ =
  24. 24.107³ =
  25. 25.104³ =
  26. 26.1001³ =
  27. 27.108³ =
  28. 28.94³ =
  29. 29.98³ =
  30. 30.985³ =
  31. 31.981³ =
  32. 32.94³ =
  33. 33.992³ =
  34. 34.99³ =
  35. 35.996³ =
  36. 36.106³ =
  37. 37.994³ =
  38. 38.1004³ =
  39. 39.91³ =
  40. 40.999³ =

Answer key

  1. 1157625
  2. 1015075125
  3. 1191016
  4. 1061208
  5. 1225043
  6. 1036433728
  7. 955671625
  8. 1124864
  9. 1006012008
  10. 1015075125
  11. 988047936
  12. 1157625
  13. 1061208
  14. 941192
  15. 955671625
  16. 1006012008
  17. 1295029
  18. 949862087
  19. 1021147343
  20. 997002999
  21. 958585256
  22. 1124864
  23. 985074875
  24. 1225043
  25. 1124864
  26. 1003003001
  27. 1259712
  28. 830584
  29. 941192
  30. 955671625
  31. 944076141
  32. 830584
  33. 976191488
  34. 970299
  35. 988047936
  36. 1191016
  37. 982107784
  38. 1012048064
  39. 753571
  40. 997002999

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