Elementary Brain Teaser




( Parentheses )


Insert one pair of parentheses to make the following sentence true.

40 - 6 x 6 - 2 - 6 = 10





Correct Solutions:


  1. Rahul Bhui. William Watson ES, Surrey, BC, Canada
  2. Matthew Strausser. St. Thomas More, Houston, TX
  3. Toni Machos. Lanes Mill School, Brick, NJ
  4. Michael Diodato. Jericho ES, Centereach, NY
  5. Leonard Anghelescu. Broadlands PS, North York, Ontario, Canada
  6. Lisa Gardner. Boyette Springs ES, Riverview, FL
  7. Kevin Chen. Skipwith ES, Richmond, VA
  8. Bozena Hutinski, Osonovna skola, Varazdin, Croatia
  9. Sarah Filman. FA Day MS, Newton, MA
  10. Meghan Bool. Rolling Ridge ES, Erie, PA
  11. Sanja Varga. Varazdin, Croatia
  12. Kayla Friesen. West Park School, Altona, Manitoba, Canada
  13. Emily Ross. Zervas ES, Waban, MA
  14. Jenny Coukos. Zervas ES, Waban, MA
  15. Elise Garrity. Zervas ES, Waban, MA
  16. Katherine Masson. Acushnet ES, Acuchnet, MA
  17. Stephen Brown. St. Thomas More School, Houston, TX
  18. Mai Goto. Taguchi ES, Aichi, Japan
  19. John Wallis. Rutland Town School, Rutland, VT
  20. Ouqi Jiang. Gentry MS, Columbia, MO
  21. Mathew Johnston. Fort Necesity JH, Extension, LA
  22. Robyn Loubier, Winslow JHS, Winslow, ME
  23. Mathew Harris. South Lee School, Edmunds, Suffolk, UK
  24. Kurtis Fox. West Park School, Altona, Manitoba, Canada
  25. Arin Vanlandingham. Tazewell New Tazewell PS, New Tazewell, TN
  26. Rebecca Chan. Westmead PS, Westmead, NSW, Australia
  27. Hannah Gordon. Tracy ES, Easton, PA
  28. Zlatko Bajic. Split, Croatia
  29. Tracey Davis. A.B. Freeman, Houston, TX
  30. Tyler Hall, Wolcott Street ES, LeRoy, NY
  31. Jacob Kushkuley. C. T. Douglas ES, Acton, MA
  32. J.J. Goldstein. Hebrew Academy, West Hempstead, NY
  33. Steven Carmain. Northwestern ES, Kokomo, IN
  34. David Hoffmann. Armand Bayou ES, Houston, Texas
  35. Yvonne Tsang. Winthrop PS, Perth, W.A., Australia
  36. Siew Mei Sun. Winthrop PS, Perth, W.A., Australia
  37. Caitlin Rowe. Winthrop PS, Perth, W.A., Australia
  38. Anita Yeun. Winthrop PS, Perth, W.A., Australia
  39. Edward Tse. Winthrop PS, Perth, W.A., Australia
  40. Rex Godsey. Newport ES, Crosby, TX
  41. Vanessa Gibbs. Pacific Academy, Surrey, BC, Canada
  42. Moran Cohen. Gretz ES, Tel-Aviv, Israel
  43. Rotem Eisenberg. Gretz ES, Tel-Aviv, Israel
  44. Jason Roeth. Cairo American College, Digla, Cairo, Egypt
  45. Brandon Lau. Oberthur PS, Perth, Australia
  46. Kati Cunningham. Nevada ES, Nevada, IA
  47. Ryan D. Good. Silbernagel ES, Dickinson, TX
  48. Rebecca Pearl. Center Grove ES, Randolph, NJ
  49. Ryan Newman. Buena Vista Academy, Windermere, FL
  50. Tao Tao Chen. Ellis ES, Sunnyvale, CA
  51. Amy Liang. Winthrop Primary, Winthrop, Perth, WA, Australia




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