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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 369 · 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. 1.997³ =
  2. 2.994³ =
  3. 3.91³ =
  4. 4.109³ =
  5. 5.997³ =
  6. 6.1003³ =
  7. 7.998³ =
  8. 8.1010³ =
  9. 9.95³ =
  10. 10.99³ =
  11. 11.993³ =
  12. 12.1005³ =
  13. 13.984³ =
  14. 14.91³ =
  15. 15.106³ =
  16. 16.107³ =
  17. 17.96³ =
  18. 18.97³ =
  19. 19.92³ =
  20. 20.990³ =
  21. 21.987³ =
  22. 22.998³ =
  23. 23.988³ =
  24. 24.94³ =
  25. 25.993³ =
  26. 26.109³ =
  27. 27.992³ =
  28. 28.95³ =
  29. 29.986³ =
  30. 30.1017³ =
  31. 31.1003³ =
  32. 32.94³ =
  33. 33.102³ =
  34. 34.104³ =
  35. 35.984³ =
  36. 36.107³ =
  37. 37.103³ =
  38. 38.96³ =
  39. 39.994³ =
  40. 40.1007³ =

Answer key

  1. 991026973
  2. 982107784
  3. 753571
  4. 1295029
  5. 991026973
  6. 1009027027
  7. 994011992
  8. 1030301000
  9. 857375
  10. 970299
  11. 979146657
  12. 1015075125
  13. 952763904
  14. 753571
  15. 1191016
  16. 1225043
  17. 884736
  18. 912673
  19. 778688
  20. 970299000
  21. 961504803
  22. 994011992
  23. 964430272
  24. 830584
  25. 979146657
  26. 1295029
  27. 976191488
  28. 857375
  29. 958585256
  30. 1051871913
  31. 1009027027
  32. 830584
  33. 1061208
  34. 1124864
  35. 952763904
  36. 1225043
  37. 1092727
  38. 884736
  39. 982107784
  40. 1021147343

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