interactive fractions
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
what fractions look like types of fractions operations 
sixteenths

 Use your mouse to drag the fraction shapes. Choose the correct strips to solve the problems.

Some strips will spring into place to help you.

Code: © Eric Harshbarger
Content © MathsNet 2001