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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 498 · 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. 2.95³ =
  3. 3.97³ =
  4. 4.1002³ =
  5. 5.988³ =
  6. 6.95³ =
  7. 7.1004³ =
  8. 8.99³ =
  9. 9.95³ =
  10. 10.1006³ =
  11. 11.92³ =
  12. 12.992³ =
  13. 13.108³ =
  14. 14.992³ =
  15. 15.988³ =
  16. 16.996³ =
  17. 17.97³ =
  18. 18.95³ =
  19. 19.98³ =
  20. 20.108³ =
  21. 21.95³ =
  22. 22.1008³ =
  23. 23.999³ =
  24. 24.1008³ =
  25. 25.1005³ =
  26. 26.95³ =
  27. 27.985³ =
  28. 28.95³ =
  29. 29.91³ =
  30. 30.99³ =
  31. 31.994³ =
  32. 32.99³ =
  33. 33.982³ =
  34. 34.985³ =
  35. 35.1018³ =
  36. 36.988³ =
  37. 37.91³ =
  38. 38.995³ =
  39. 39.1002³ =
  40. 40.92³ =

Answer key

  1. 753571
  2. 857375
  3. 912673
  4. 1006012008
  5. 964430272
  6. 857375
  7. 1012048064
  8. 970299
  9. 857375
  10. 1018108216
  11. 778688
  12. 976191488
  13. 1259712
  14. 976191488
  15. 964430272
  16. 988047936
  17. 912673
  18. 857375
  19. 941192
  20. 1259712
  21. 857375
  22. 1024192512
  23. 997002999
  24. 1024192512
  25. 1015075125
  26. 857375
  27. 955671625
  28. 857375
  29. 753571
  30. 970299
  31. 982107784
  32. 970299
  33. 946966168
  34. 955671625
  35. 1054977832
  36. 964430272
  37. 753571
  38. 985074875
  39. 1006012008
  40. 778688

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