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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 945 · 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. 1.91³ =
  2. 2.984³ =
  3. 3.1017³ =
  4. 4.989³ =
  5. 5.99³ =
  6. 6.102³ =
  7. 7.109³ =
  8. 8.988³ =
  9. 9.1003³ =
  10. 10.988³ =
  11. 11.107³ =
  12. 12.109³ =
  13. 13.97³ =
  14. 14.104³ =
  15. 15.99³ =
  16. 16.91³ =
  17. 17.1003³ =
  18. 18.98³ =
  19. 19.1001³ =
  20. 20.106³ =
  21. 21.1019³ =
  22. 22.990³ =
  23. 23.106³ =
  24. 24.1019³ =
  25. 25.93³ =
  26. 26.992³ =
  27. 27.98³ =
  28. 28.1020³ =
  29. 29.93³ =
  30. 30.102³ =
  31. 31.99³ =
  32. 32.981³ =
  33. 33.989³ =
  34. 34.97³ =
  35. 35.91³ =
  36. 36.95³ =
  37. 37.97³ =
  38. 38.1005³ =
  39. 39.94³ =
  40. 40.101³ =

Answer key

  1. 753571
  2. 952763904
  3. 1051871913
  4. 967361669
  5. 970299
  6. 1061208
  7. 1295029
  8. 964430272
  9. 1009027027
  10. 964430272
  11. 1225043
  12. 1295029
  13. 912673
  14. 1124864
  15. 970299
  16. 753571
  17. 1009027027
  18. 941192
  19. 1003003001
  20. 1191016
  21. 1058089859
  22. 970299000
  23. 1191016
  24. 1058089859
  25. 804357
  26. 976191488
  27. 941192
  28. 1061208000
  29. 804357
  30. 1061208
  31. 970299
  32. 944076141
  33. 967361669
  34. 912673
  35. 753571
  36. 857375
  37. 912673
  38. 1015075125
  39. 830584
  40. 1030301

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