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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 676 · 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. 1.1002³ =
  2. 2.91³ =
  3. 3.996³ =
  4. 4.1010³ =
  5. 5.980³ =
  6. 6.98³ =
  7. 7.98³ =
  8. 8.993³ =
  9. 9.989³ =
  10. 10.1007³ =
  11. 11.1016³ =
  12. 12.983³ =
  13. 13.106³ =
  14. 14.982³ =
  15. 15.987³ =
  16. 16.1020³ =
  17. 17.107³ =
  18. 18.1004³ =
  19. 19.1008³ =
  20. 20.981³ =
  21. 21.91³ =
  22. 22.988³ =
  23. 23.986³ =
  24. 24.102³ =
  25. 25.998³ =
  26. 26.104³ =
  27. 27.91³ =
  28. 28.1004³ =
  29. 29.992³ =
  30. 30.1007³ =
  31. 31.96³ =
  32. 32.1014³ =
  33. 33.97³ =
  34. 34.992³ =
  35. 35.982³ =
  36. 36.102³ =
  37. 37.1002³ =
  38. 38.91³ =
  39. 39.981³ =
  40. 40.103³ =

Answer key

  1. 1006012008
  2. 753571
  3. 988047936
  4. 1030301000
  5. 941192000
  6. 941192
  7. 941192
  8. 979146657
  9. 967361669
  10. 1021147343
  11. 1048772096
  12. 949862087
  13. 1191016
  14. 946966168
  15. 961504803
  16. 1061208000
  17. 1225043
  18. 1012048064
  19. 1024192512
  20. 944076141
  21. 753571
  22. 964430272
  23. 958585256
  24. 1061208
  25. 994011992
  26. 1124864
  27. 753571
  28. 1012048064
  29. 976191488
  30. 1021147343
  31. 884736
  32. 1042590744
  33. 912673
  34. 976191488
  35. 946966168
  36. 1061208
  37. 1006012008
  38. 753571
  39. 944076141
  40. 1092727

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