# Math Challenge

Choose your grade level:
Elementary School
Middle School
High School

# Video & Photos

September 2008
A Salute to the Troops Game Video

March 2008
White House Easter Egg Roll 2008

December 2007
Barney Cam VI: Holiday in the Parks

December 2007
Barney Cam VI Photo Essay

June 2007
Tee Ball on the South Lawn Photos

# Quizzes & Games

Pear Tree
• Carly goes outside on a beautiful spring morning and notices 24 white blossoms on a pear tree in her front yard. The next day, she counts the blossoms and realizes that the number of blossoms on the tree is the previous day’s total divided by one-half. On the third day, she realizes that the number of blossoms is the previous day’s total divided by one-half. Once again, on the fourth and fifth days, she realizes that the number of blossoms is the previous day’s total divided by one-half. How many total blossoms are on the tree on the fifth day?

 Answer: Please enter a numerical answer(ex. 1000 or 2.033) and click GO.

 Contest problems and answers provided by: David Rock rock_david@colstate.edu Columbus State University Doug Brumbaugh brumbad@pegasus.cc.ucf.edu University of Central Florida