Great for centers, DI, and independent grouping! I used this activity with my 8th graders after teaching similar figures. Students were put into groups of no more than three to find four pairs of similar figures. They had to use proportional relationships to prove that the pair of figures were congruent. This was a great activity to see how my students were thinking and utilizing their knowledge of proportions and similar figures to find similarity in figures.
Also, I think that this activity would be great for a lesson on proportional relationships.
Included: Answer document, handout to record work, similar shapes, non-sim. and non-cong. shapes, directions
MGSE7.RP.2 & MGSE8.G.4