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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 292 · 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. 1.99³ =
  2. 2.990³ =
  3. 3.1005³ =
  4. 4.992³ =
  5. 5.95³ =
  6. 6.91³ =
  7. 7.1016³ =
  8. 8.102³ =
  9. 9.1015³ =
  10. 10.96³ =
  11. 11.96³ =
  12. 12.95³ =
  13. 13.1018³ =
  14. 14.103³ =
  15. 15.101³ =
  16. 16.1019³ =
  17. 17.1006³ =
  18. 18.1007³ =
  19. 19.94³ =
  20. 20.106³ =
  21. 21.98³ =
  22. 22.106³ =
  23. 23.1016³ =
  24. 24.109³ =
  25. 25.95³ =
  26. 26.91³ =
  27. 27.998³ =
  28. 28.91³ =
  29. 29.1004³ =
  30. 30.991³ =
  31. 31.992³ =
  32. 32.104³ =
  33. 33.106³ =
  34. 34.94³ =
  35. 35.985³ =
  36. 36.99³ =
  37. 37.1011³ =
  38. 38.102³ =
  39. 39.99³ =
  40. 40.995³ =

Answer key

  1. 970299
  2. 970299000
  3. 1015075125
  4. 976191488
  5. 857375
  6. 753571
  7. 1048772096
  8. 1061208
  9. 1045678375
  10. 884736
  11. 884736
  12. 857375
  13. 1054977832
  14. 1092727
  15. 1030301
  16. 1058089859
  17. 1018108216
  18. 1021147343
  19. 830584
  20. 1191016
  21. 941192
  22. 1191016
  23. 1048772096
  24. 1295029
  25. 857375
  26. 753571
  27. 994011992
  28. 753571
  29. 1012048064
  30. 973242271
  31. 976191488
  32. 1124864
  33. 1191016
  34. 830584
  35. 955671625
  36. 970299
  37. 1033364331
  38. 1061208
  39. 970299
  40. 985074875

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