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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 618 · 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. 1.106³ =
  2. 2.994³ =
  3. 3.992³ =
  4. 4.995³ =
  5. 5.96³ =
  6. 6.103³ =
  7. 7.99³ =
  8. 8.108³ =
  9. 9.97³ =
  10. 10.108³ =
  11. 11.988³ =
  12. 12.1002³ =
  13. 13.99³ =
  14. 14.980³ =
  15. 15.994³ =
  16. 16.93³ =
  17. 17.1008³ =
  18. 18.992³ =
  19. 19.1002³ =
  20. 20.981³ =
  21. 21.93³ =
  22. 22.104³ =
  23. 23.109³ =
  24. 24.97³ =
  25. 25.97³ =
  26. 26.101³ =
  27. 27.982³ =
  28. 28.991³ =
  29. 29.109³ =
  30. 30.101³ =
  31. 31.95³ =
  32. 32.997³ =
  33. 33.96³ =
  34. 34.93³ =
  35. 35.97³ =
  36. 36.984³ =
  37. 37.98³ =
  38. 38.1001³ =
  39. 39.92³ =
  40. 40.106³ =

Answer key

  1. 1191016
  2. 982107784
  3. 976191488
  4. 985074875
  5. 884736
  6. 1092727
  7. 970299
  8. 1259712
  9. 912673
  10. 1259712
  11. 964430272
  12. 1006012008
  13. 970299
  14. 941192000
  15. 982107784
  16. 804357
  17. 1024192512
  18. 976191488
  19. 1006012008
  20. 944076141
  21. 804357
  22. 1124864
  23. 1295029
  24. 912673
  25. 912673
  26. 1030301
  27. 946966168
  28. 973242271
  29. 1295029
  30. 1030301
  31. 857375
  32. 991026973
  33. 884736
  34. 804357
  35. 912673
  36. 952763904
  37. 941192
  38. 1003003001
  39. 778688
  40. 1191016

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