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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 492 · 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. 1.94³ =
  2. 2.998³ =
  3. 3.995³ =
  4. 4.103³ =
  5. 5.106³ =
  6. 6.1005³ =
  7. 7.980³ =
  8. 8.983³ =
  9. 9.96³ =
  10. 10.99³ =
  11. 11.1019³ =
  12. 12.107³ =
  13. 13.996³ =
  14. 14.93³ =
  15. 15.92³ =
  16. 16.981³ =
  17. 17.998³ =
  18. 18.102³ =
  19. 19.94³ =
  20. 20.93³ =
  21. 21.99³ =
  22. 22.103³ =
  23. 23.1011³ =
  24. 24.93³ =
  25. 25.108³ =
  26. 26.95³ =
  27. 27.989³ =
  28. 28.1001³ =
  29. 29.1014³ =
  30. 30.91³ =
  31. 31.1007³ =
  32. 32.97³ =
  33. 33.1015³ =
  34. 34.91³ =
  35. 35.97³ =
  36. 36.104³ =
  37. 37.983³ =
  38. 38.101³ =
  39. 39.997³ =
  40. 40.96³ =

Answer key

  1. 830584
  2. 994011992
  3. 985074875
  4. 1092727
  5. 1191016
  6. 1015075125
  7. 941192000
  8. 949862087
  9. 884736
  10. 970299
  11. 1058089859
  12. 1225043
  13. 988047936
  14. 804357
  15. 778688
  16. 944076141
  17. 994011992
  18. 1061208
  19. 830584
  20. 804357
  21. 970299
  22. 1092727
  23. 1033364331
  24. 804357
  25. 1259712
  26. 857375
  27. 967361669
  28. 1003003001
  29. 1042590744
  30. 753571
  31. 1021147343
  32. 912673
  33. 1045678375
  34. 753571
  35. 912673
  36. 1124864
  37. 949862087
  38. 1030301
  39. 991026973
  40. 884736

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