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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 47 · 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. 1.96³ =
  2. 2.997³ =
  3. 3.97³ =
  4. 4.98³ =
  5. 5.1012³ =
  6. 6.989³ =
  7. 7.97³ =
  8. 8.981³ =
  9. 9.1004³ =
  10. 10.1011³ =
  11. 11.91³ =
  12. 12.999³ =
  13. 13.99³ =
  14. 14.98³ =
  15. 15.997³ =
  16. 16.91³ =
  17. 17.1020³ =
  18. 18.93³ =
  19. 19.108³ =
  20. 20.106³ =
  21. 21.1003³ =
  22. 22.1001³ =
  23. 23.107³ =
  24. 24.1001³ =
  25. 25.106³ =
  26. 26.992³ =
  27. 27.96³ =
  28. 28.1004³ =
  29. 29.94³ =
  30. 30.983³ =
  31. 31.94³ =
  32. 32.96³ =
  33. 33.106³ =
  34. 34.1007³ =
  35. 35.1002³ =
  36. 36.1019³ =
  37. 37.94³ =
  38. 38.109³ =
  39. 39.108³ =
  40. 40.91³ =

Answer key

  1. 884736
  2. 991026973
  3. 912673
  4. 941192
  5. 1036433728
  6. 967361669
  7. 912673
  8. 944076141
  9. 1012048064
  10. 1033364331
  11. 753571
  12. 997002999
  13. 970299
  14. 941192
  15. 991026973
  16. 753571
  17. 1061208000
  18. 804357
  19. 1259712
  20. 1191016
  21. 1009027027
  22. 1003003001
  23. 1225043
  24. 1003003001
  25. 1191016
  26. 976191488
  27. 884736
  28. 1012048064
  29. 830584
  30. 949862087
  31. 830584
  32. 884736
  33. 1191016
  34. 1021147343
  35. 1006012008
  36. 1058089859
  37. 830584
  38. 1295029
  39. 1259712
  40. 753571

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