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Angles in Quadrilaterals (A) WORKSHEET
Suitable for Grades: 4th Grade, 5th Grade
CCSS: 4.G.A.2, 5.G.B.3
CCSS 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. Recognize right triangles as a category, and identify right triangles.
CCSS Description: Understand that attributes belonging to a category of two‑dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.
CCSS Description: Understand that attributes belonging to a category of two‑dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.
Angles in Quadrilaterals (A) WORKSHEET DESCRIPTION
With this worksheet students will discover the sum of angles in quadrilaterals by splitting them into two triangles and then use this fact to calculate missing angles in quadrilaterals when only one angle is missing. Angles in both integer and decimal form.
