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# Reporting Category 3 (TEKS 4.6 Geometric Attributes)

#### Geometry and measurement

The videos in this post explain mathematics Texas Essential Knowledge and Skill 4.6:

Geometry and measurement. The student applies mathematical process standards to analyze geometric attributes in order to develop generalizations about their properties.

The STAAR videos below are selected released items from 4th grade STAAR tests in 2016, 2018, 2019, and 2021. You can view the complete review of the 2017 STAAR test here.

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## 4.6A

identify points, lines, line segments, rays, angles, and perpendicular and parallel lines

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## 4.6B

identify and draw one or more lines of symmetry, if they exist, for a two-dimensional figure

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## 4.6C

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

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## 4.6D

classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines or the presence or absence of angles of a specified size

### STAAR Videos

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To view all the posts for the 4th Grade Reporting Category 3 review, click here.

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