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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 322 · 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. 2.109³ =
  3. 3.107³ =
  4. 4.105³ =
  5. 5.1002³ =
  6. 6.988³ =
  7. 7.1001³ =
  8. 8.981³ =
  9. 9.109³ =
  10. 10.988³ =
  11. 11.1017³ =
  12. 12.987³ =
  13. 13.101³ =
  14. 14.109³ =
  15. 15.106³ =
  16. 16.92³ =
  17. 17.94³ =
  18. 18.103³ =
  19. 19.99³ =
  20. 20.1008³ =
  21. 21.1005³ =
  22. 22.104³ =
  23. 23.999³ =
  24. 24.988³ =
  25. 25.99³ =
  26. 26.102³ =
  27. 27.984³ =
  28. 28.1015³ =
  29. 29.999³ =
  30. 30.982³ =
  31. 31.97³ =
  32. 32.980³ =
  33. 33.107³ =
  34. 34.1015³ =
  35. 35.102³ =
  36. 36.95³ =
  37. 37.1004³ =
  38. 38.991³ =
  39. 39.99³ =
  40. 40.990³ =

Answer key

  1. 941192
  2. 1295029
  3. 1225043
  4. 1157625
  5. 1006012008
  6. 964430272
  7. 1003003001
  8. 944076141
  9. 1295029
  10. 964430272
  11. 1051871913
  12. 961504803
  13. 1030301
  14. 1295029
  15. 1191016
  16. 778688
  17. 830584
  18. 1092727
  19. 970299
  20. 1024192512
  21. 1015075125
  22. 1124864
  23. 997002999
  24. 964430272
  25. 970299
  26. 1061208
  27. 952763904
  28. 1045678375
  29. 997002999
  30. 946966168
  31. 912673
  32. 941192000
  33. 1225043
  34. 1045678375
  35. 1061208
  36. 857375
  37. 1012048064
  38. 973242271
  39. 970299
  40. 970299000

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