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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 240 · 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. 1.983³ =
  2. 2.1019³ =
  3. 3.998³ =
  4. 4.102³ =
  5. 5.93³ =
  6. 6.108³ =
  7. 7.108³ =
  8. 8.108³ =
  9. 9.109³ =
  10. 10.988³ =
  11. 11.103³ =
  12. 12.98³ =
  13. 13.1009³ =
  14. 14.1015³ =
  15. 15.108³ =
  16. 16.985³ =
  17. 17.107³ =
  18. 18.999³ =
  19. 19.1010³ =
  20. 20.983³ =
  21. 21.96³ =
  22. 22.1005³ =
  23. 23.1018³ =
  24. 24.94³ =
  25. 25.94³ =
  26. 26.1005³ =
  27. 27.106³ =
  28. 28.1020³ =
  29. 29.987³ =
  30. 30.991³ =
  31. 31.1015³ =
  32. 32.99³ =
  33. 33.93³ =
  34. 34.97³ =
  35. 35.101³ =
  36. 36.109³ =
  37. 37.1011³ =
  38. 38.96³ =
  39. 39.992³ =
  40. 40.94³ =

Answer key

  1. 949862087
  2. 1058089859
  3. 994011992
  4. 1061208
  5. 804357
  6. 1259712
  7. 1259712
  8. 1259712
  9. 1295029
  10. 964430272
  11. 1092727
  12. 941192
  13. 1027243729
  14. 1045678375
  15. 1259712
  16. 955671625
  17. 1225043
  18. 997002999
  19. 1030301000
  20. 949862087
  21. 884736
  22. 1015075125
  23. 1054977832
  24. 830584
  25. 830584
  26. 1015075125
  27. 1191016
  28. 1061208000
  29. 961504803
  30. 973242271
  31. 1045678375
  32. 970299
  33. 804357
  34. 912673
  35. 1030301
  36. 1295029
  37. 1033364331
  38. 884736
  39. 976191488
  40. 830584

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