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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 242 · 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. 1.992³ =
  2. 2.92³ =
  3. 3.997³ =
  4. 4.980³ =
  5. 5.99³ =
  6. 6.990³ =
  7. 7.108³ =
  8. 8.95³ =
  9. 9.92³ =
  10. 10.101³ =
  11. 11.91³ =
  12. 12.994³ =
  13. 13.1011³ =
  14. 14.993³ =
  15. 15.99³ =
  16. 16.97³ =
  17. 17.104³ =
  18. 18.996³ =
  19. 19.98³ =
  20. 20.991³ =
  21. 21.96³ =
  22. 22.107³ =
  23. 23.109³ =
  24. 24.102³ =
  25. 25.982³ =
  26. 26.999³ =
  27. 27.101³ =
  28. 28.96³ =
  29. 29.1018³ =
  30. 30.102³ =
  31. 31.92³ =
  32. 32.103³ =
  33. 33.92³ =
  34. 34.987³ =
  35. 35.997³ =
  36. 36.95³ =
  37. 37.103³ =
  38. 38.980³ =
  39. 39.993³ =
  40. 40.106³ =

Answer key

  1. 976191488
  2. 778688
  3. 991026973
  4. 941192000
  5. 970299
  6. 970299000
  7. 1259712
  8. 857375
  9. 778688
  10. 1030301
  11. 753571
  12. 982107784
  13. 1033364331
  14. 979146657
  15. 970299
  16. 912673
  17. 1124864
  18. 988047936
  19. 941192
  20. 973242271
  21. 884736
  22. 1225043
  23. 1295029
  24. 1061208
  25. 946966168
  26. 997002999
  27. 1030301
  28. 884736
  29. 1054977832
  30. 1061208
  31. 778688
  32. 1092727
  33. 778688
  34. 961504803
  35. 991026973
  36. 857375
  37. 1092727
  38. 941192000
  39. 979146657
  40. 1191016

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