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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 130 · 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. 1.99³ =
  2. 2.1018³ =
  3. 3.101³ =
  4. 4.103³ =
  5. 5.98³ =
  6. 6.1009³ =
  7. 7.1020³ =
  8. 8.92³ =
  9. 9.99³ =
  10. 10.990³ =
  11. 11.986³ =
  12. 12.981³ =
  13. 13.994³ =
  14. 14.980³ =
  15. 15.96³ =
  16. 16.102³ =
  17. 17.98³ =
  18. 18.1009³ =
  19. 19.95³ =
  20. 20.1014³ =
  21. 21.1011³ =
  22. 22.99³ =
  23. 23.95³ =
  24. 24.97³ =
  25. 25.989³ =
  26. 26.988³ =
  27. 27.97³ =
  28. 28.91³ =
  29. 29.1017³ =
  30. 30.92³ =
  31. 31.94³ =
  32. 32.96³ =
  33. 33.1004³ =
  34. 34.95³ =
  35. 35.988³ =
  36. 36.998³ =
  37. 37.107³ =
  38. 38.105³ =
  39. 39.98³ =
  40. 40.101³ =

Answer key

  1. 970299
  2. 1054977832
  3. 1030301
  4. 1092727
  5. 941192
  6. 1027243729
  7. 1061208000
  8. 778688
  9. 970299
  10. 970299000
  11. 958585256
  12. 944076141
  13. 982107784
  14. 941192000
  15. 884736
  16. 1061208
  17. 941192
  18. 1027243729
  19. 857375
  20. 1042590744
  21. 1033364331
  22. 970299
  23. 857375
  24. 912673
  25. 967361669
  26. 964430272
  27. 912673
  28. 753571
  29. 1051871913
  30. 778688
  31. 830584
  32. 884736
  33. 1012048064
  34. 857375
  35. 964430272
  36. 994011992
  37. 1225043
  38. 1157625
  39. 941192
  40. 1030301

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