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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 538 · 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. 1.107³ =
  2. 2.1007³ =
  3. 3.94³ =
  4. 4.1005³ =
  5. 5.980³ =
  6. 6.95³ =
  7. 7.989³ =
  8. 8.992³ =
  9. 9.104³ =
  10. 10.109³ =
  11. 11.997³ =
  12. 12.982³ =
  13. 13.98³ =
  14. 14.998³ =
  15. 15.986³ =
  16. 16.1014³ =
  17. 17.1020³ =
  18. 18.982³ =
  19. 19.993³ =
  20. 20.103³ =
  21. 21.97³ =
  22. 22.94³ =
  23. 23.1016³ =
  24. 24.1018³ =
  25. 25.98³ =
  26. 26.1010³ =
  27. 27.102³ =
  28. 28.1002³ =
  29. 29.109³ =
  30. 30.999³ =
  31. 31.1017³ =
  32. 32.999³ =
  33. 33.106³ =
  34. 34.91³ =
  35. 35.1006³ =
  36. 36.986³ =
  37. 37.99³ =
  38. 38.999³ =
  39. 39.1010³ =
  40. 40.109³ =

Answer key

  1. 1225043
  2. 1021147343
  3. 830584
  4. 1015075125
  5. 941192000
  6. 857375
  7. 967361669
  8. 976191488
  9. 1124864
  10. 1295029
  11. 991026973
  12. 946966168
  13. 941192
  14. 994011992
  15. 958585256
  16. 1042590744
  17. 1061208000
  18. 946966168
  19. 979146657
  20. 1092727
  21. 912673
  22. 830584
  23. 1048772096
  24. 1054977832
  25. 941192
  26. 1030301000
  27. 1061208
  28. 1006012008
  29. 1295029
  30. 997002999
  31. 1051871913
  32. 997002999
  33. 1191016
  34. 753571
  35. 1018108216
  36. 958585256
  37. 970299
  38. 997002999
  39. 1030301000
  40. 1295029

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