https://www.pbslearningmedia.org/resource/be4a4500-edbb-4bc2-9f91-8ebcba524b48/abra-310-switching-identities-congruent-and-similar-shapes/
Intermediate, middle level, and adult actors in the Abracadabra series introduce students to the terms and meanings of same, different, similar, and congruent....
similar shapesswitchingidentitiescongruentpbs