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6th Grade Math - Triangles

Updated: Apr 26

This post explains and gives practice opportunities related to TEKS 6.8A:

extend previous knowledge of triangles and their properties to include the sum of angles of a triangle, the relationship between the lengths of sides and measures of angles in a triangle, and determining when three lengths form a triangle
 

Instruction

More than simply being three-sided shapes, students learn to find and calculate the measure of angles in a triangle given other measurements.

Students also learn about angle-side relationships and about the triangle inequality theorem.

 

STAAR Practice

Between 2016 and 2023 (including redesign practice), this supporting standard has been tested 7 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 6th grade TEKS review series, click here.2

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