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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 146 · 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. 1.98³ =
  2. 2.988³ =
  3. 3.996³ =
  4. 4.1020³ =
  5. 5.984³ =
  6. 6.1014³ =
  7. 7.92³ =
  8. 8.1015³ =
  9. 9.105³ =
  10. 10.980³ =
  11. 11.994³ =
  12. 12.95³ =
  13. 13.98³ =
  14. 14.98³ =
  15. 15.1011³ =
  16. 16.102³ =
  17. 17.109³ =
  18. 18.990³ =
  19. 19.997³ =
  20. 20.1002³ =
  21. 21.102³ =
  22. 22.1001³ =
  23. 23.1007³ =
  24. 24.102³ =
  25. 25.106³ =
  26. 26.104³ =
  27. 27.98³ =
  28. 28.99³ =
  29. 29.99³ =
  30. 30.104³ =
  31. 31.104³ =
  32. 32.1015³ =
  33. 33.108³ =
  34. 34.97³ =
  35. 35.91³ =
  36. 36.1004³ =
  37. 37.96³ =
  38. 38.92³ =
  39. 39.994³ =
  40. 40.106³ =

Answer key

  1. 941192
  2. 964430272
  3. 988047936
  4. 1061208000
  5. 952763904
  6. 1042590744
  7. 778688
  8. 1045678375
  9. 1157625
  10. 941192000
  11. 982107784
  12. 857375
  13. 941192
  14. 941192
  15. 1033364331
  16. 1061208
  17. 1295029
  18. 970299000
  19. 991026973
  20. 1006012008
  21. 1061208
  22. 1003003001
  23. 1021147343
  24. 1061208
  25. 1191016
  26. 1124864
  27. 941192
  28. 970299
  29. 970299
  30. 1124864
  31. 1124864
  32. 1045678375
  33. 1259712
  34. 912673
  35. 753571
  36. 1012048064
  37. 884736
  38. 778688
  39. 982107784
  40. 1191016

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