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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 768 · 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. 1.991³ =
  2. 2.1004³ =
  3. 3.1010³ =
  4. 4.1020³ =
  5. 5.102³ =
  6. 6.986³ =
  7. 7.99³ =
  8. 8.103³ =
  9. 9.1005³ =
  10. 10.996³ =
  11. 11.104³ =
  12. 12.994³ =
  13. 13.1011³ =
  14. 14.991³ =
  15. 15.990³ =
  16. 16.95³ =
  17. 17.104³ =
  18. 18.98³ =
  19. 19.997³ =
  20. 20.984³ =
  21. 21.984³ =
  22. 22.102³ =
  23. 23.104³ =
  24. 24.106³ =
  25. 25.1002³ =
  26. 26.95³ =
  27. 27.988³ =
  28. 28.1017³ =
  29. 29.97³ =
  30. 30.91³ =
  31. 31.106³ =
  32. 32.104³ =
  33. 33.101³ =
  34. 34.99³ =
  35. 35.101³ =
  36. 36.98³ =
  37. 37.102³ =
  38. 38.107³ =
  39. 39.991³ =
  40. 40.96³ =

Answer key

  1. 973242271
  2. 1012048064
  3. 1030301000
  4. 1061208000
  5. 1061208
  6. 958585256
  7. 970299
  8. 1092727
  9. 1015075125
  10. 988047936
  11. 1124864
  12. 982107784
  13. 1033364331
  14. 973242271
  15. 970299000
  16. 857375
  17. 1124864
  18. 941192
  19. 991026973
  20. 952763904
  21. 952763904
  22. 1061208
  23. 1124864
  24. 1191016
  25. 1006012008
  26. 857375
  27. 964430272
  28. 1051871913
  29. 912673
  30. 753571
  31. 1191016
  32. 1124864
  33. 1030301
  34. 970299
  35. 1030301
  36. 941192
  37. 1061208
  38. 1225043
  39. 973242271
  40. 884736

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