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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 341 · 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. 1.109³ =
  2. 2.1011³ =
  3. 3.91³ =
  4. 4.983³ =
  5. 5.996³ =
  6. 6.989³ =
  7. 7.91³ =
  8. 8.94³ =
  9. 9.95³ =
  10. 10.94³ =
  11. 11.96³ =
  12. 12.108³ =
  13. 13.99³ =
  14. 14.97³ =
  15. 15.107³ =
  16. 16.92³ =
  17. 17.986³ =
  18. 18.982³ =
  19. 19.104³ =
  20. 20.102³ =
  21. 21.98³ =
  22. 22.997³ =
  23. 23.94³ =
  24. 24.107³ =
  25. 25.106³ =
  26. 26.109³ =
  27. 27.99³ =
  28. 28.102³ =
  29. 29.1020³ =
  30. 30.1008³ =
  31. 31.101³ =
  32. 32.97³ =
  33. 33.99³ =
  34. 34.981³ =
  35. 35.105³ =
  36. 36.93³ =
  37. 37.102³ =
  38. 38.96³ =
  39. 39.998³ =
  40. 40.91³ =

Answer key

  1. 1295029
  2. 1033364331
  3. 753571
  4. 949862087
  5. 988047936
  6. 967361669
  7. 753571
  8. 830584
  9. 857375
  10. 830584
  11. 884736
  12. 1259712
  13. 970299
  14. 912673
  15. 1225043
  16. 778688
  17. 958585256
  18. 946966168
  19. 1124864
  20. 1061208
  21. 941192
  22. 991026973
  23. 830584
  24. 1225043
  25. 1191016
  26. 1295029
  27. 970299
  28. 1061208
  29. 1061208000
  30. 1024192512
  31. 1030301
  32. 912673
  33. 970299
  34. 944076141
  35. 1157625
  36. 804357
  37. 1061208
  38. 884736
  39. 994011992
  40. 753571

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