This is a game about Rectangles. The game creates a grid of triangles . We can click on any triangle and change the color to blue and click again to change the color to initial. At the start of the game we must click on some triangle to create a rectangle. The student can choose the dimensions.The time to answer is 60 Sec.Afterwards he must answer in two questions. He must write Area and Perimeter of this Rectangle.This is a useful teaching resource for Teachers, Parents and Students