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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 86 · 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. 1.1001³ =
  2. 2.92³ =
  3. 3.103³ =
  4. 4.97³ =
  5. 5.991³ =
  6. 6.99³ =
  7. 7.997³ =
  8. 8.996³ =
  9. 9.1002³ =
  10. 10.91³ =
  11. 11.93³ =
  12. 12.992³ =
  13. 13.103³ =
  14. 14.997³ =
  15. 15.97³ =
  16. 16.91³ =
  17. 17.99³ =
  18. 18.106³ =
  19. 19.92³ =
  20. 20.95³ =
  21. 21.97³ =
  22. 22.99³ =
  23. 23.98³ =
  24. 24.93³ =
  25. 25.1018³ =
  26. 26.96³ =
  27. 27.99³ =
  28. 28.92³ =
  29. 29.96³ =
  30. 30.94³ =
  31. 31.91³ =
  32. 32.97³ =
  33. 33.992³ =
  34. 34.1020³ =
  35. 35.92³ =
  36. 36.104³ =
  37. 37.993³ =
  38. 38.987³ =
  39. 39.93³ =
  40. 40.105³ =

Answer key

  1. 1003003001
  2. 778688
  3. 1092727
  4. 912673
  5. 973242271
  6. 970299
  7. 991026973
  8. 988047936
  9. 1006012008
  10. 753571
  11. 804357
  12. 976191488
  13. 1092727
  14. 991026973
  15. 912673
  16. 753571
  17. 970299
  18. 1191016
  19. 778688
  20. 857375
  21. 912673
  22. 970299
  23. 941192
  24. 804357
  25. 1054977832
  26. 884736
  27. 970299
  28. 778688
  29. 884736
  30. 830584
  31. 753571
  32. 912673
  33. 976191488
  34. 1061208000
  35. 778688
  36. 1124864
  37. 979146657
  38. 961504803
  39. 804357
  40. 1157625

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