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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 22 · 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. 1.980³ =
  2. 2.97³ =
  3. 3.91³ =
  4. 4.92³ =
  5. 5.94³ =
  6. 6.106³ =
  7. 7.108³ =
  8. 8.992³ =
  9. 9.986³ =
  10. 10.994³ =
  11. 11.99³ =
  12. 12.989³ =
  13. 13.1002³ =
  14. 14.1005³ =
  15. 15.91³ =
  16. 16.99³ =
  17. 17.104³ =
  18. 18.999³ =
  19. 19.108³ =
  20. 20.987³ =
  21. 21.92³ =
  22. 22.105³ =
  23. 23.97³ =
  24. 24.101³ =
  25. 25.101³ =
  26. 26.1018³ =
  27. 27.98³ =
  28. 28.105³ =
  29. 29.97³ =
  30. 30.104³ =
  31. 31.99³ =
  32. 32.996³ =
  33. 33.102³ =
  34. 34.109³ =
  35. 35.987³ =
  36. 36.109³ =
  37. 37.97³ =
  38. 38.109³ =
  39. 39.102³ =
  40. 40.984³ =

Answer key

  1. 941192000
  2. 912673
  3. 753571
  4. 778688
  5. 830584
  6. 1191016
  7. 1259712
  8. 976191488
  9. 958585256
  10. 982107784
  11. 970299
  12. 967361669
  13. 1006012008
  14. 1015075125
  15. 753571
  16. 970299
  17. 1124864
  18. 997002999
  19. 1259712
  20. 961504803
  21. 778688
  22. 1157625
  23. 912673
  24. 1030301
  25. 1030301
  26. 1054977832
  27. 941192
  28. 1157625
  29. 912673
  30. 1124864
  31. 970299
  32. 988047936
  33. 1061208
  34. 1295029
  35. 961504803
  36. 1295029
  37. 912673
  38. 1295029
  39. 1061208
  40. 952763904

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