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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 720 · 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. 1.1012³ =
  2. 2.992³ =
  3. 3.105³ =
  4. 4.98³ =
  5. 5.1014³ =
  6. 6.980³ =
  7. 7.102³ =
  8. 8.106³ =
  9. 9.107³ =
  10. 10.107³ =
  11. 11.101³ =
  12. 12.106³ =
  13. 13.996³ =
  14. 14.96³ =
  15. 15.96³ =
  16. 16.996³ =
  17. 17.104³ =
  18. 18.1005³ =
  19. 19.103³ =
  20. 20.96³ =
  21. 21.1008³ =
  22. 22.1003³ =
  23. 23.95³ =
  24. 24.98³ =
  25. 25.994³ =
  26. 26.91³ =
  27. 27.1001³ =
  28. 28.91³ =
  29. 29.994³ =
  30. 30.98³ =
  31. 31.984³ =
  32. 32.999³ =
  33. 33.1020³ =
  34. 34.95³ =
  35. 35.92³ =
  36. 36.993³ =
  37. 37.996³ =
  38. 38.989³ =
  39. 39.995³ =
  40. 40.97³ =

Answer key

  1. 1036433728
  2. 976191488
  3. 1157625
  4. 941192
  5. 1042590744
  6. 941192000
  7. 1061208
  8. 1191016
  9. 1225043
  10. 1225043
  11. 1030301
  12. 1191016
  13. 988047936
  14. 884736
  15. 884736
  16. 988047936
  17. 1124864
  18. 1015075125
  19. 1092727
  20. 884736
  21. 1024192512
  22. 1009027027
  23. 857375
  24. 941192
  25. 982107784
  26. 753571
  27. 1003003001
  28. 753571
  29. 982107784
  30. 941192
  31. 952763904
  32. 997002999
  33. 1061208000
  34. 857375
  35. 778688
  36. 979146657
  37. 988047936
  38. 967361669
  39. 985074875
  40. 912673

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