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.
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Regular and Irregular Polygons
Use this teacher-created resource for teaching about regular and irregular polygons.
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2-D Shape Bingo
Engage your students while consolidate learning about 2D shapes, their names and properties with 2D Shape Bingo!
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2-D Shapes and Their Attributes - Interactive PowerPoint
Practice identifying the attributes of different 2D shapes with this 90-slide interactive PowerPoint.
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Draw a Town with 2D Shapes
An interactive and evolving resource where students draw 2D shapes incrementally to create a town 3D map.
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Classifying Triangles (By Angles) – 4th Grade Math Worksheets
Practice classifying and sorting triangles based on their internal angles with this set of 3 worksheets.
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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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Interior Angles of Shapes Interactive Game
Explore the interior angles of regular polygons with this detective-themed interactive maths activity.
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Interior Angles of Shapes – Differentiated Mazes
Explore the interior angles of regular shapes with this differentiated, maze-inspired worksheet.
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Interior Angles of Shapes Teaching Slides
Explore the interior angles of common two-dimensional shapes with this comprehensive set of teaching slides.
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Interior Angles of Shapes Sorting Activity
Play this sorting game when learning about the interior angles of common two-dimensional shapes.
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Types of Triangles Interactive Math Game
Explore the properties of acute, right and obtuse triangles with this interactive space adventure!
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Classifying Triangles (By Angles) – 4th Grade Math Activity
Play this sorting game when learning how to classify triangles according to their internal angles.
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2D Shapes Poster
Use this colorful poster with a collection of 2D shapes in your math classroom.
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Number Talks - Classifying Figures Task Cards
Build geometric reasoning with this set of 20 task cards.
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2D and 3D Shape Flashcards
Explore 2D shapes and 3D objects with this set of 20 full-page flashcards.
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Shapes and Symmetry - Worksheet
Monitor and assess your students' understanding of 2D shapes and their properties with this 2-page worksheet.
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2D and 3D Shapes Crossword with Solution
A crossword with clues for both 2D and 3D shapes.
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2-D Shapes – Poster
2-D shapes and their names on one poster.
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Individual 2-D Shapes Blue Print – Posters
2-D Shapes and their names, diagrams, and properties on individual posters.