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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 384 · 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. 1.999³ =
  2. 2.1016³ =
  3. 3.97³ =
  4. 4.1008³ =
  5. 5.98³ =
  6. 6.109³ =
  7. 7.996³ =
  8. 8.91³ =
  9. 9.989³ =
  10. 10.91³ =
  11. 11.992³ =
  12. 12.1011³ =
  13. 13.96³ =
  14. 14.999³ =
  15. 15.109³ =
  16. 16.991³ =
  17. 17.102³ =
  18. 18.995³ =
  19. 19.109³ =
  20. 20.91³ =
  21. 21.1008³ =
  22. 22.1014³ =
  23. 23.97³ =
  24. 24.97³ =
  25. 25.988³ =
  26. 26.1019³ =
  27. 27.1019³ =
  28. 28.986³ =
  29. 29.93³ =
  30. 30.94³ =
  31. 31.993³ =
  32. 32.97³ =
  33. 33.996³ =
  34. 34.1010³ =
  35. 35.104³ =
  36. 36.95³ =
  37. 37.1020³ =
  38. 38.104³ =
  39. 39.101³ =
  40. 40.984³ =

Answer key

  1. 997002999
  2. 1048772096
  3. 912673
  4. 1024192512
  5. 941192
  6. 1295029
  7. 988047936
  8. 753571
  9. 967361669
  10. 753571
  11. 976191488
  12. 1033364331
  13. 884736
  14. 997002999
  15. 1295029
  16. 973242271
  17. 1061208
  18. 985074875
  19. 1295029
  20. 753571
  21. 1024192512
  22. 1042590744
  23. 912673
  24. 912673
  25. 964430272
  26. 1058089859
  27. 1058089859
  28. 958585256
  29. 804357
  30. 830584
  31. 979146657
  32. 912673
  33. 988047936
  34. 1030301000
  35. 1124864
  36. 857375
  37. 1061208000
  38. 1124864
  39. 1030301
  40. 952763904

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