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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 994 · 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. 1.108³ =
  2. 2.991³ =
  3. 3.1020³ =
  4. 4.91³ =
  5. 5.108³ =
  6. 6.986³ =
  7. 7.99³ =
  8. 8.107³ =
  9. 9.103³ =
  10. 10.1019³ =
  11. 11.982³ =
  12. 12.980³ =
  13. 13.1009³ =
  14. 14.98³ =
  15. 15.981³ =
  16. 16.98³ =
  17. 17.109³ =
  18. 18.101³ =
  19. 19.103³ =
  20. 20.92³ =
  21. 21.999³ =
  22. 22.98³ =
  23. 23.99³ =
  24. 24.981³ =
  25. 25.993³ =
  26. 26.94³ =
  27. 27.980³ =
  28. 28.106³ =
  29. 29.995³ =
  30. 30.997³ =
  31. 31.95³ =
  32. 32.108³ =
  33. 33.980³ =
  34. 34.981³ =
  35. 35.989³ =
  36. 36.99³ =
  37. 37.103³ =
  38. 38.99³ =
  39. 39.990³ =
  40. 40.989³ =

Answer key

  1. 1259712
  2. 973242271
  3. 1061208000
  4. 753571
  5. 1259712
  6. 958585256
  7. 970299
  8. 1225043
  9. 1092727
  10. 1058089859
  11. 946966168
  12. 941192000
  13. 1027243729
  14. 941192
  15. 944076141
  16. 941192
  17. 1295029
  18. 1030301
  19. 1092727
  20. 778688
  21. 997002999
  22. 941192
  23. 970299
  24. 944076141
  25. 979146657
  26. 830584
  27. 941192000
  28. 1191016
  29. 985074875
  30. 991026973
  31. 857375
  32. 1259712
  33. 941192000
  34. 944076141
  35. 967361669
  36. 970299
  37. 1092727
  38. 970299
  39. 970299000
  40. 967361669

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