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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 852 · 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. 2.1013³ =
  3. 3.992³ =
  4. 4.106³ =
  5. 5.98³ =
  6. 6.91³ =
  7. 7.95³ =
  8. 8.102³ =
  9. 9.92³ =
  10. 10.1003³ =
  11. 11.92³ =
  12. 12.98³ =
  13. 13.91³ =
  14. 14.93³ =
  15. 15.992³ =
  16. 16.1006³ =
  17. 17.1010³ =
  18. 18.109³ =
  19. 19.99³ =
  20. 20.106³ =
  21. 21.96³ =
  22. 22.1017³ =
  23. 23.989³ =
  24. 24.107³ =
  25. 25.107³ =
  26. 26.94³ =
  27. 27.1003³ =
  28. 28.94³ =
  29. 29.93³ =
  30. 30.104³ =
  31. 31.108³ =
  32. 32.1019³ =
  33. 33.93³ =
  34. 34.998³ =
  35. 35.91³ =
  36. 36.108³ =
  37. 37.982³ =
  38. 38.987³ =
  39. 39.1019³ =
  40. 40.984³ =

Answer key

  1. 884736
  2. 1039509197
  3. 976191488
  4. 1191016
  5. 941192
  6. 753571
  7. 857375
  8. 1061208
  9. 778688
  10. 1009027027
  11. 778688
  12. 941192
  13. 753571
  14. 804357
  15. 976191488
  16. 1018108216
  17. 1030301000
  18. 1295029
  19. 970299
  20. 1191016
  21. 884736
  22. 1051871913
  23. 967361669
  24. 1225043
  25. 1225043
  26. 830584
  27. 1009027027
  28. 830584
  29. 804357
  30. 1124864
  31. 1259712
  32. 1058089859
  33. 804357
  34. 994011992
  35. 753571
  36. 1259712
  37. 946966168
  38. 961504803
  39. 1058089859
  40. 952763904

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