Group Activity Cards
Numbers
and Operations
Use groups of 2.
Materials: Centimeter grid paper

Tricky Triangles

Cut out a 3 × 3 grid from grid paper. Then use the grid to draw a figure for which the following statement is true.
The ratio of the triangles in the figure that are congruent to triangle A below to the triangles in the figure that are congruent to triangle B below is 3:2.
