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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 18 · 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. 2.98³ =
  3. 3.98³ =
  4. 4.91³ =
  5. 5.102³ =
  6. 6.101³ =
  7. 7.992³ =
  8. 8.1004³ =
  9. 9.98³ =
  10. 10.95³ =
  11. 11.999³ =
  12. 12.97³ =
  13. 13.94³ =
  14. 14.98³ =
  15. 15.991³ =
  16. 16.107³ =
  17. 17.992³ =
  18. 18.1015³ =
  19. 19.109³ =
  20. 20.1003³ =
  21. 21.1015³ =
  22. 22.107³ =
  23. 23.108³ =
  24. 24.1011³ =
  25. 25.96³ =
  26. 26.1001³ =
  27. 27.104³ =
  28. 28.1011³ =
  29. 29.998³ =
  30. 30.98³ =
  31. 31.96³ =
  32. 32.107³ =
  33. 33.1006³ =
  34. 34.109³ =
  35. 35.98³ =
  36. 36.105³ =
  37. 37.106³ =
  38. 38.1007³ =
  39. 39.106³ =
  40. 40.101³ =

Answer key

  1. 941192
  2. 941192
  3. 941192
  4. 753571
  5. 1061208
  6. 1030301
  7. 976191488
  8. 1012048064
  9. 941192
  10. 857375
  11. 997002999
  12. 912673
  13. 830584
  14. 941192
  15. 973242271
  16. 1225043
  17. 976191488
  18. 1045678375
  19. 1295029
  20. 1009027027
  21. 1045678375
  22. 1225043
  23. 1259712
  24. 1033364331
  25. 884736
  26. 1003003001
  27. 1124864
  28. 1033364331
  29. 994011992
  30. 941192
  31. 884736
  32. 1225043
  33. 1018108216
  34. 1295029
  35. 941192
  36. 1157625
  37. 1191016
  38. 1021147343
  39. 1191016
  40. 1030301

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