Common Core State Standards
CCSS.MATH.CONTENT.4.G.A.2
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.
14 teaching resources for those 'aha' moments
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teaching resource
半径标注w a Town with 2-D Shapes
An interactive and evolving resource where students draw 2-D shapes incrementally to create a town map and 3-D figures.
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teaching resource
Shapes and Symmetry - Worksheet
A worksheet to assess a variety of geometry skills.
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teaching resource
2-D Shapes and Their Attributes - Interactive PowerPoint
A 90-slide interactive PowerPoint to use when learning about the attributes of different 2-D shapes.
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teaching resource
2-D and 3-D Figure Cards
A set of 2-D and 3-D figure cards to assist with your students' understanding of shapes and their attributes.
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teaching resource
Geometry Toss - Active Learning Game
An active game that encourages learning through a physical setting.
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teaching resource
Number Talks - Classifying Figures Task Cards
Build geometric reasoning with this set of 20 task cards.
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teaching resource
2-D Shapes with Information - Poster
A 2-D shapes poster with 16 common shapes, as well as information characterizing each shape.
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teaching resource
2-D Shapes and 3-D Objects Crossword with Solution
A crossword with clues for both 2-D shapes and 3-D objects.
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teaching resource
Individual 2-D Shapes Blue Print – Posters
2-D Shapes and their names, diagrams, and properties on individual posters.
