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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 97 · 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. 1.986³ =
  2. 2.104³ =
  3. 3.107³ =
  4. 4.103³ =
  5. 5.1001³ =
  6. 6.103³ =
  7. 7.94³ =
  8. 8.1015³ =
  9. 9.102³ =
  10. 10.985³ =
  11. 11.104³ =
  12. 12.988³ =
  13. 13.991³ =
  14. 14.984³ =
  15. 15.98³ =
  16. 16.107³ =
  17. 17.995³ =
  18. 18.989³ =
  19. 19.93³ =
  20. 20.102³ =
  21. 21.1016³ =
  22. 22.93³ =
  23. 23.99³ =
  24. 24.994³ =
  25. 25.106³ =
  26. 26.1006³ =
  27. 27.107³ =
  28. 28.981³ =
  29. 29.999³ =
  30. 30.99³ =
  31. 31.95³ =
  32. 32.108³ =
  33. 33.96³ =
  34. 34.94³ =
  35. 35.990³ =
  36. 36.1005³ =
  37. 37.983³ =
  38. 38.1005³ =
  39. 39.985³ =
  40. 40.999³ =

Answer key

  1. 958585256
  2. 1124864
  3. 1225043
  4. 1092727
  5. 1003003001
  6. 1092727
  7. 830584
  8. 1045678375
  9. 1061208
  10. 955671625
  11. 1124864
  12. 964430272
  13. 973242271
  14. 952763904
  15. 941192
  16. 1225043
  17. 985074875
  18. 967361669
  19. 804357
  20. 1061208
  21. 1048772096
  22. 804357
  23. 970299
  24. 982107784
  25. 1191016
  26. 1018108216
  27. 1225043
  28. 944076141
  29. 997002999
  30. 970299
  31. 857375
  32. 1259712
  33. 884736
  34. 830584
  35. 970299000
  36. 1015075125
  37. 949862087
  38. 1015075125
  39. 955671625
  40. 997002999

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