Elementary Brain Teaser




How Many Rectangles?


How many rectangles are there in the figure?


Correct Solutions:


  1. Max Arthur Maier. Blessed Sacrament School, Ft. Mitchell, KY
  2. Amrita Mankani. Handley School, Saginaw, MI
  3. Hari Mankani. Handley School, Saginaw, MI
  4. Philip Campbell. Agincourt PS, Ottawa, Ontario, Canada
  5. Grace Tseng. Morgantown ES, Natchez, MS
  6. Leonard Anghelescu, Broadlands PS, North York , Ontario, Canada
  7. Helen Tseng. Morgantown ES, Natchez, MS
  8. Thien Thai. Rostrevor College, Adelaide, South Australia, Australia
  9. Valerie Adams. Walnut Creek MS, Erie, PA
  10. Emily Dopierala. Walnut Creek MS, Erie, PA
  11. Kevin Nethers. Rainbow ES, Winter Springs, FL
  12. Jennifer Lai. Rainbow ES, Winter Springs, FL
  13. Michelle Rogers. Rainbow ES, Winter Springs, FL
  14. Mike Fiorenza. Rainbow ES, Winter Springs, FL
  15. Ashley Ward. Rainbow ES, Winter Springs, FL
  16. Lindsey Wilkinson. Rainbow ES, Winter Springs, FL
  17. Alex King. Rainbow ES, Winter Springs, FL
  18. Amy Wojtkielewicz. Ridgefield ES, Erie PA
  19. Ouqi Jiang. Gentry MS, Columbia, MO
  20. Tao Tao Chen. Ellis ES, Sunnyvale, CA
  21. Paul Moore. Fernandez ES, San Antonio, TX
  22. Zlatko Bajic. Pojisan Primary School, Split, Croatia
  23. Elaine Wong. Middlebury PS, Mississauga, Ontario, Canada
  24. Eric Lian. Middlebury PS, Mississauga, Ontario, Canada
  25. Andy Brown. Arlington ES, Arlington, SD
  26. Michael Runia. Arlington ES, Arlington, SD
  27. Kelly Brandner. Arlington ES, Arlington, SD
  28. Jason Strouse. Geneva ES, Geneva, FL
  29. Stephanie Ramswinter. Highland ES, Apple Valley, MN
  30. Damaris Britton. Rainbow ES, Winter Springs, FL
  31. Jill Johnson. Arlington ES, Arlington, SD
  32. Micki Johnson. Merritt Island ES, Merritt Island, FL
  33. Trevor Kjellsen. Arlington ES, Arlington, SD
  34. Stephanie Yakow. Geneva ES, Geneva, FL
  35. Jaskaran Singh. Rainbow ES,Winter Springs, FL
  36. Elise Hernandez. Rainbow ES, Winter Springs, FL
  37. Kyle DuBose. Rainbow ES, Winter Springs, FL
  38. Donovan Cherepanov. South Conway ES, Conway, SC
  39. Kristen Gilbert. South Conway ES, Conway, SC
  40. Brett Hodges. Rainbow ES, Winter Springs, FL
  41. Michael Scribner. Rainbow ES, Winter Springs, FL
  42. Rachael Calender. Highland ES, Apple Valley, MN
  43. Prakriti Verma. Coventry ES, Yorktown, VA
  44. Jiyati Verma. Coventry ES, Yorktown, VA
  45. Gabrielle Hoffman. Walnut Creek MS, Erie, PA
  46. Zach Gronewold. Arlington ES, Arlington, SD
  47. Oleg Fortun. Colton ES, Monsey, NY
  48. Michael Allshouse. Briarhill MS, Highland Village, TX
  49. Jiyati Verma. Coventry ES, Yorktown, VA
  50. Prakriti Verma. Coventry ES, Yorktown, VA
  51. Stephanie Parker. Sacred Heart School, Boise, ID
  52. Julie Erickson. Arlington ES, Arlington, SD
  53. Maria Demarco. Barnard ES, Troy, MI
  54. Holly Lawrence. Rainbow ES, Winter Spings, FL
  55. Scott Chase. Rainbow ES, Winter Springs, FL
  56. Jonathan Baker. Newman School, Needham, MA
  57. Mark Schreck. Cross Lanes ES, Cross Lanes, WV
  58. Rex Godsey. Newport ES, Crosby, TX
  59. Caitlin O'Leary. Cold Hill ES, London, KY
  60. Evelyn Talmage. Homeschool, Cedar Rapids, IA





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