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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 4 · 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. 1.994³ =
  2. 2.98³ =
  3. 3.107³ =
  4. 4.92³ =
  5. 5.105³ =
  6. 6.104³ =
  7. 7.109³ =
  8. 8.97³ =
  9. 9.96³ =
  10. 10.96³ =
  11. 11.97³ =
  12. 12.104³ =
  13. 13.108³ =
  14. 14.987³ =
  15. 15.99³ =
  16. 16.1019³ =
  17. 17.95³ =
  18. 18.992³ =
  19. 19.98³ =
  20. 20.1011³ =
  21. 21.1018³ =
  22. 22.984³ =
  23. 23.91³ =
  24. 24.93³ =
  25. 25.986³ =
  26. 26.102³ =
  27. 27.95³ =
  28. 28.1011³ =
  29. 29.103³ =
  30. 30.91³ =
  31. 31.1017³ =
  32. 32.988³ =
  33. 33.998³ =
  34. 34.95³ =
  35. 35.981³ =
  36. 36.1002³ =
  37. 37.109³ =
  38. 38.992³ =
  39. 39.102³ =
  40. 40.108³ =

Answer key

  1. 982107784
  2. 941192
  3. 1225043
  4. 778688
  5. 1157625
  6. 1124864
  7. 1295029
  8. 912673
  9. 884736
  10. 884736
  11. 912673
  12. 1124864
  13. 1259712
  14. 961504803
  15. 970299
  16. 1058089859
  17. 857375
  18. 976191488
  19. 941192
  20. 1033364331
  21. 1054977832
  22. 952763904
  23. 753571
  24. 804357
  25. 958585256
  26. 1061208
  27. 857375
  28. 1033364331
  29. 1092727
  30. 753571
  31. 1051871913
  32. 964430272
  33. 994011992
  34. 857375
  35. 944076141
  36. 1006012008
  37. 1295029
  38. 976191488
  39. 1061208
  40. 1259712

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