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4th Grade Math - Types of Triangles

Updated: Dec 2, 2023

This post explains and gives practice opportunities related to TEKS 4.6C:

apply knowledge of right angles to identify acute, right, and obtuse triangles


Students learn that triangles can be classified based on the angles within them.


STAAR Practice

Between 2016 and 2023 (including redesign practice), this supporting standard has been tested 4 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 4th grade TEKS review series, click here.

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