HomeContact UsParents CornerAbout UsForum
 1st Grade Math
 2nd Grade Math
 3rd Grade Math
 4th Grade Math
 5th Grade Math
 6th Grade Math
 7th Grade Math
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


7th Grade Challenging Math

-------------------------------------------------------------------------

7-1)   Answer

            3.44 square cm

Solution: The purple area is the area of the square subtract the area of the 4 circles. The sides of the square is 4 cm.

Therefore the purple area is 4 x 4 - 4 x (3.14 x 1 x 1) = 3.44 square cm.

 

        

 

 
Free challenging math problems for Kids (1st grade, 2nd grade, 3rd grade, 4th grade, 5th grade, 6 grade and 7th grade) 
Copyright (C) 2012-2016 www.MathTop10.com