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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 898 · 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. 1.981³ =
  2. 2.94³ =
  3. 3.1008³ =
  4. 4.108³ =
  5. 5.102³ =
  6. 6.101³ =
  7. 7.96³ =
  8. 8.1001³ =
  9. 9.95³ =
  10. 10.104³ =
  11. 11.97³ =
  12. 12.1004³ =
  13. 13.1007³ =
  14. 14.97³ =
  15. 15.1002³ =
  16. 16.104³ =
  17. 17.989³ =
  18. 18.103³ =
  19. 19.1001³ =
  20. 20.105³ =
  21. 21.1006³ =
  22. 22.95³ =
  23. 23.96³ =
  24. 24.1005³ =
  25. 25.1003³ =
  26. 26.96³ =
  27. 27.99³ =
  28. 28.103³ =
  29. 29.992³ =
  30. 30.999³ =
  31. 31.95³ =
  32. 32.109³ =
  33. 33.999³ =
  34. 34.103³ =
  35. 35.103³ =
  36. 36.993³ =
  37. 37.1005³ =
  38. 38.107³ =
  39. 39.96³ =
  40. 40.98³ =

Answer key

  1. 944076141
  2. 830584
  3. 1024192512
  4. 1259712
  5. 1061208
  6. 1030301
  7. 884736
  8. 1003003001
  9. 857375
  10. 1124864
  11. 912673
  12. 1012048064
  13. 1021147343
  14. 912673
  15. 1006012008
  16. 1124864
  17. 967361669
  18. 1092727
  19. 1003003001
  20. 1157625
  21. 1018108216
  22. 857375
  23. 884736
  24. 1015075125
  25. 1009027027
  26. 884736
  27. 970299
  28. 1092727
  29. 976191488
  30. 997002999
  31. 857375
  32. 1295029
  33. 997002999
  34. 1092727
  35. 1092727
  36. 979146657
  37. 1015075125
  38. 1225043
  39. 884736
  40. 941192

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