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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 765 · 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. 1.97³ =
  2. 2.982³ =
  3. 3.97³ =
  4. 4.99³ =
  5. 5.1018³ =
  6. 6.1004³ =
  7. 7.105³ =
  8. 8.981³ =
  9. 9.1011³ =
  10. 10.94³ =
  11. 11.91³ =
  12. 12.107³ =
  13. 13.104³ =
  14. 14.91³ =
  15. 15.96³ =
  16. 16.94³ =
  17. 17.104³ =
  18. 18.91³ =
  19. 19.984³ =
  20. 20.990³ =
  21. 21.981³ =
  22. 22.109³ =
  23. 23.102³ =
  24. 24.104³ =
  25. 25.991³ =
  26. 26.102³ =
  27. 27.102³ =
  28. 28.97³ =
  29. 29.995³ =
  30. 30.1019³ =
  31. 31.992³ =
  32. 32.95³ =
  33. 33.91³ =
  34. 34.997³ =
  35. 35.98³ =
  36. 36.1019³ =
  37. 37.99³ =
  38. 38.1002³ =
  39. 39.92³ =
  40. 40.97³ =

Answer key

  1. 912673
  2. 946966168
  3. 912673
  4. 970299
  5. 1054977832
  6. 1012048064
  7. 1157625
  8. 944076141
  9. 1033364331
  10. 830584
  11. 753571
  12. 1225043
  13. 1124864
  14. 753571
  15. 884736
  16. 830584
  17. 1124864
  18. 753571
  19. 952763904
  20. 970299000
  21. 944076141
  22. 1295029
  23. 1061208
  24. 1124864
  25. 973242271
  26. 1061208
  27. 1061208
  28. 912673
  29. 985074875
  30. 1058089859
  31. 976191488
  32. 857375
  33. 753571
  34. 991026973
  35. 941192
  36. 1058089859
  37. 970299
  38. 1006012008
  39. 778688
  40. 912673

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