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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 34 · 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. 1.94³ =
  2. 2.982³ =
  3. 3.1019³ =
  4. 4.102³ =
  5. 5.105³ =
  6. 6.985³ =
  7. 7.1001³ =
  8. 8.98³ =
  9. 9.1015³ =
  10. 10.996³ =
  11. 11.92³ =
  12. 12.996³ =
  13. 13.94³ =
  14. 14.1006³ =
  15. 15.96³ =
  16. 16.103³ =
  17. 17.92³ =
  18. 18.107³ =
  19. 19.1001³ =
  20. 20.107³ =
  21. 21.1001³ =
  22. 22.93³ =
  23. 23.98³ =
  24. 24.1019³ =
  25. 25.95³ =
  26. 26.94³ =
  27. 27.992³ =
  28. 28.1014³ =
  29. 29.93³ =
  30. 30.93³ =
  31. 31.1019³ =
  32. 32.109³ =
  33. 33.1003³ =
  34. 34.1019³ =
  35. 35.988³ =
  36. 36.105³ =
  37. 37.1019³ =
  38. 38.94³ =
  39. 39.109³ =
  40. 40.106³ =

Answer key

  1. 830584
  2. 946966168
  3. 1058089859
  4. 1061208
  5. 1157625
  6. 955671625
  7. 1003003001
  8. 941192
  9. 1045678375
  10. 988047936
  11. 778688
  12. 988047936
  13. 830584
  14. 1018108216
  15. 884736
  16. 1092727
  17. 778688
  18. 1225043
  19. 1003003001
  20. 1225043
  21. 1003003001
  22. 804357
  23. 941192
  24. 1058089859
  25. 857375
  26. 830584
  27. 976191488
  28. 1042590744
  29. 804357
  30. 804357
  31. 1058089859
  32. 1295029
  33. 1009027027
  34. 1058089859
  35. 964430272
  36. 1157625
  37. 1058089859
  38. 830584
  39. 1295029
  40. 1191016

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