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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 807 · 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. 1.102³ =
  2. 2.99³ =
  3. 3.96³ =
  4. 4.999³ =
  5. 5.992³ =
  6. 6.103³ =
  7. 7.92³ =
  8. 8.1016³ =
  9. 9.1013³ =
  10. 10.96³ =
  11. 11.102³ =
  12. 12.1009³ =
  13. 13.94³ =
  14. 14.991³ =
  15. 15.96³ =
  16. 16.102³ =
  17. 17.997³ =
  18. 18.1004³ =
  19. 19.1008³ =
  20. 20.104³ =
  21. 21.1005³ =
  22. 22.993³ =
  23. 23.1019³ =
  24. 24.97³ =
  25. 25.1012³ =
  26. 26.107³ =
  27. 27.98³ =
  28. 28.1017³ =
  29. 29.91³ =
  30. 30.107³ =
  31. 31.983³ =
  32. 32.982³ =
  33. 33.91³ =
  34. 34.1018³ =
  35. 35.92³ =
  36. 36.1001³ =
  37. 37.101³ =
  38. 38.91³ =
  39. 39.107³ =
  40. 40.989³ =

Answer key

  1. 1061208
  2. 970299
  3. 884736
  4. 997002999
  5. 976191488
  6. 1092727
  7. 778688
  8. 1048772096
  9. 1039509197
  10. 884736
  11. 1061208
  12. 1027243729
  13. 830584
  14. 973242271
  15. 884736
  16. 1061208
  17. 991026973
  18. 1012048064
  19. 1024192512
  20. 1124864
  21. 1015075125
  22. 979146657
  23. 1058089859
  24. 912673
  25. 1036433728
  26. 1225043
  27. 941192
  28. 1051871913
  29. 753571
  30. 1225043
  31. 949862087
  32. 946966168
  33. 753571
  34. 1054977832
  35. 778688
  36. 1003003001
  37. 1030301
  38. 753571
  39. 1225043
  40. 967361669

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