Company Electrokite Interactive created these great apps:
Parts of a Plant, Adding Like Fractions, Area of a Rectangle, Perimeter: Grade 3, Simple Machines, Adding Unlike Fractions, Find the Area of a Triangle, Clock Patterns, Mixed Numbers, Subtracting Like Fractions, Area of a Parallelogram, Volume of Rectangular Prisms, Multiply Mixed Fractions, Baby Sleep Songs, and others..
