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Texas Essential Knowledge and Skills (TEKS)

Classify 2-Dimensional Figures

Grade: 4th Grade
Standard:

4.6.C

Description:

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

Standard:

4.6.D

Description:

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.

4th Grade Math - Classify 2-Dimensional Figures Lesson
 
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