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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 120 · 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. 2.95³ =
  3. 3.109³ =
  4. 4.1010³ =
  5. 5.991³ =
  6. 6.107³ =
  7. 7.988³ =
  8. 8.92³ =
  9. 9.108³ =
  10. 10.994³ =
  11. 11.1009³ =
  12. 12.103³ =
  13. 13.983³ =
  14. 14.999³ =
  15. 15.986³ =
  16. 16.102³ =
  17. 17.981³ =
  18. 18.1020³ =
  19. 19.109³ =
  20. 20.986³ =
  21. 21.94³ =
  22. 22.1001³ =
  23. 23.985³ =
  24. 24.1018³ =
  25. 25.1011³ =
  26. 26.990³ =
  27. 27.1010³ =
  28. 28.104³ =
  29. 29.94³ =
  30. 30.96³ =
  31. 31.101³ =
  32. 32.103³ =
  33. 33.1007³ =
  34. 34.997³ =
  35. 35.105³ =
  36. 36.94³ =
  37. 37.105³ =
  38. 38.109³ =
  39. 39.1001³ =
  40. 40.997³ =

Answer key

  1. 941192
  2. 857375
  3. 1295029
  4. 1030301000
  5. 973242271
  6. 1225043
  7. 964430272
  8. 778688
  9. 1259712
  10. 982107784
  11. 1027243729
  12. 1092727
  13. 949862087
  14. 997002999
  15. 958585256
  16. 1061208
  17. 944076141
  18. 1061208000
  19. 1295029
  20. 958585256
  21. 830584
  22. 1003003001
  23. 955671625
  24. 1054977832
  25. 1033364331
  26. 970299000
  27. 1030301000
  28. 1124864
  29. 830584
  30. 884736
  31. 1030301
  32. 1092727
  33. 1021147343
  34. 991026973
  35. 1157625
  36. 830584
  37. 1157625
  38. 1295029
  39. 1003003001
  40. 991026973

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