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Fairview High School

Cullman County Schools


This is a student-narrated PowerPoint about angles.  The student defines different types of angles such as right, acute, obtuse, straight, vertical, interior, and exterior.  She also describes angle measurement and application of angle measurement.

Length: 3:00

Aligned to the following ALEX lesson plan:

Angles in the Mix

Content Areas: Math

Alabama Course of Study Alignments and/or Professional Development Standard Alignments:

[MA2013] (4) 23: Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement. [4-MD5]
[MA2013] (4) 24: Measure angles in whole-number degrees using a protractor. Sketch angles of specified measure. [4-MD6]
[MA2013] (4) 27: 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. Recognize right triangles as a category, and identify right triangles. [4-G2]
[MA2013] (5) 25: Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. [5-G3]
[MA2013] (7) 12: Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions. Focus on constructing triangles from three measures of angles or sides, noticing when the conditions determine a unique triangle, more than one triangle, or no triangle. [7-G2]

National/Other Standards:

NCTM geometry expectations for grades 3-5: Identify, compare, and analyze attributes of two- and three-dimensional shapes and develop vocabulary to describe the attributes; make and test conjectures about geometric properties and relationships and develop logical arguments to justify conclusions.


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