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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 748 · 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. 1.1007³ =
  2. 2.998³ =
  3. 3.998³ =
  4. 4.91³ =
  5. 5.983³ =
  6. 6.98³ =
  7. 7.94³ =
  8. 8.102³ =
  9. 9.109³ =
  10. 10.1006³ =
  11. 11.1017³ =
  12. 12.1011³ =
  13. 13.93³ =
  14. 14.992³ =
  15. 15.1007³ =
  16. 16.993³ =
  17. 17.990³ =
  18. 18.94³ =
  19. 19.96³ =
  20. 20.95³ =
  21. 21.101³ =
  22. 22.102³ =
  23. 23.1011³ =
  24. 24.980³ =
  25. 25.996³ =
  26. 26.98³ =
  27. 27.98³ =
  28. 28.995³ =
  29. 29.92³ =
  30. 30.101³ =
  31. 31.999³ =
  32. 32.102³ =
  33. 33.95³ =
  34. 34.991³ =
  35. 35.1001³ =
  36. 36.95³ =
  37. 37.95³ =
  38. 38.98³ =
  39. 39.1008³ =
  40. 40.108³ =

Answer key

  1. 1021147343
  2. 994011992
  3. 994011992
  4. 753571
  5. 949862087
  6. 941192
  7. 830584
  8. 1061208
  9. 1295029
  10. 1018108216
  11. 1051871913
  12. 1033364331
  13. 804357
  14. 976191488
  15. 1021147343
  16. 979146657
  17. 970299000
  18. 830584
  19. 884736
  20. 857375
  21. 1030301
  22. 1061208
  23. 1033364331
  24. 941192000
  25. 988047936
  26. 941192
  27. 941192
  28. 985074875
  29. 778688
  30. 1030301
  31. 997002999
  32. 1061208
  33. 857375
  34. 973242271
  35. 1003003001
  36. 857375
  37. 857375
  38. 941192
  39. 1024192512
  40. 1259712

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