This post explains and give practice opportunities related to TEKS 8.10B:
differentiate between transformations that preserve congruence and those that do not
Students learn that dilations do not preserve congruence while other transformations do.
Between 2016 and 2021, this supporting standard has been tested 2 times on the STAAR test. Videos explaining the problems can be found below. If you'd rather take a quiz over these questions, click here. The videos below are linked to the questions in the quiz as answer explanations after the quiz is submitted.
To view all the posts in this 8th grade TEKS review series, click here.