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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 171 · 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. 1.91³ =
  2. 2.101³ =
  3. 3.1002³ =
  4. 4.94³ =
  5. 5.994³ =
  6. 6.981³ =
  7. 7.1003³ =
  8. 8.108³ =
  9. 9.998³ =
  10. 10.96³ =
  11. 11.982³ =
  12. 12.1015³ =
  13. 13.98³ =
  14. 14.1005³ =
  15. 15.95³ =
  16. 16.101³ =
  17. 17.98³ =
  18. 18.999³ =
  19. 19.104³ =
  20. 20.994³ =
  21. 21.998³ =
  22. 22.982³ =
  23. 23.999³ =
  24. 24.101³ =
  25. 25.1001³ =
  26. 26.99³ =
  27. 27.107³ =
  28. 28.108³ =
  29. 29.992³ =
  30. 30.109³ =
  31. 31.109³ =
  32. 32.99³ =
  33. 33.98³ =
  34. 34.986³ =
  35. 35.109³ =
  36. 36.96³ =
  37. 37.990³ =
  38. 38.97³ =
  39. 39.996³ =
  40. 40.1004³ =

Answer key

  1. 753571
  2. 1030301
  3. 1006012008
  4. 830584
  5. 982107784
  6. 944076141
  7. 1009027027
  8. 1259712
  9. 994011992
  10. 884736
  11. 946966168
  12. 1045678375
  13. 941192
  14. 1015075125
  15. 857375
  16. 1030301
  17. 941192
  18. 997002999
  19. 1124864
  20. 982107784
  21. 994011992
  22. 946966168
  23. 997002999
  24. 1030301
  25. 1003003001
  26. 970299
  27. 1225043
  28. 1259712
  29. 976191488
  30. 1295029
  31. 1295029
  32. 970299
  33. 941192
  34. 958585256
  35. 1295029
  36. 884736
  37. 970299000
  38. 912673
  39. 988047936
  40. 1012048064

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