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Geometry- Two Dimensional figures

5th Grade Common Core Geometry Standards
Classify two-dimensional figures into categories based on their properties.

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.

Classify two-dimensional figures in a hierarchy based on properties.
 Lesson 1: Attributes of two-dimensional figures


Lesson 2: Classify Two-dimensional Figures

Vocabulary

•circle
•congruence/congruent
•equilateral triangle
•half circle/semicircle
•hexagon
•irregular polygon
•isosceles triangle
•kite
•obtuse angle
•parallel lines
•parallelogram
•pentagon
•perpendicular lines
•plane figure
•polygon
•quadrilateral
•rectangle
•regular polygon
•right angle
•right triangle
•rhombus/rhombi
•scalene triangle
•square•triangle
•trapezoid
•two-dimensional•vertex

Online Resources

Quadrilateral Quest

Polygon Sort

Triangles and Quadrilaterals

Tangrams


Geoboard


Shape Sort


Tangram Logic Games

Tangram Puzzles

ABCya Tangrams 

Volume Practice

Minecraft Volume

Study Jams Volume 
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