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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 802 · 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. 1.102³ =
  2. 2.991³ =
  3. 3.107³ =
  4. 4.985³ =
  5. 5.1010³ =
  6. 6.92³ =
  7. 7.1009³ =
  8. 8.984³ =
  9. 9.996³ =
  10. 10.105³ =
  11. 11.108³ =
  12. 12.99³ =
  13. 13.1016³ =
  14. 14.1019³ =
  15. 15.997³ =
  16. 16.99³ =
  17. 17.91³ =
  18. 18.94³ =
  19. 19.995³ =
  20. 20.996³ =
  21. 21.990³ =
  22. 22.96³ =
  23. 23.1002³ =
  24. 24.103³ =
  25. 25.1017³ =
  26. 26.990³ =
  27. 27.96³ =
  28. 28.91³ =
  29. 29.1006³ =
  30. 30.98³ =
  31. 31.95³ =
  32. 32.95³ =
  33. 33.997³ =
  34. 34.1001³ =
  35. 35.91³ =
  36. 36.982³ =
  37. 37.99³ =
  38. 38.95³ =
  39. 39.108³ =
  40. 40.1007³ =

Answer key

  1. 1061208
  2. 973242271
  3. 1225043
  4. 955671625
  5. 1030301000
  6. 778688
  7. 1027243729
  8. 952763904
  9. 988047936
  10. 1157625
  11. 1259712
  12. 970299
  13. 1048772096
  14. 1058089859
  15. 991026973
  16. 970299
  17. 753571
  18. 830584
  19. 985074875
  20. 988047936
  21. 970299000
  22. 884736
  23. 1006012008
  24. 1092727
  25. 1051871913
  26. 970299000
  27. 884736
  28. 753571
  29. 1018108216
  30. 941192
  31. 857375
  32. 857375
  33. 991026973
  34. 1003003001
  35. 753571
  36. 946966168
  37. 970299
  38. 857375
  39. 1259712
  40. 1021147343

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