Curated OER
Visualizing and Naming Polygons
A really useful resource contains 116 slides covering basic geometric concepts related to 2-D or plane shapes. Shape properties, translations, reflections, congruence, symmetry, and grid work are all laid out in a comprehensive and...
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Calculate the Area of Rectangles
A wonderful resource just waiting to be used. Provide learners with a complete explanation on how to calculate the area of a rectangle. After this process is covered, they will see how they can use rectangles to calculate the area of...
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The Shape Show
Define plane shapes by their properties, then use this game to reinforce those skills. Learners use given properties as clues to determine each shape. They work to name ten different shapes, six of which are polygons.
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Classifying Polygons
A straight edge, a right angle, a number of vertices; sounds like it's time to classify polygons. That's right you and your class will learn all about the properties of polygons and how to classify them with this easy to follow...
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Color the Right Shapes
I remember doing this activity when I was little. Learners color each shape the color indicated at the top of the page. Squares are blue, cubes are red, circles are green and so on. There are 30 shapes to identify and color.
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Draw the Shapes Positions as Directed
Following directions is an extremely important skill to master. Learners follow the directions in each sentence. Then they draw specific shapes in specific positions in the provided boxes. A good review resource.
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Which Geometric Shape is Different?
What is the difference between a star and a triangle? Its attributes of course. Discuss the basic shapes with your class, then have them practice identifying shapes by circling the one in each row that is different.
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Some Shapes
Introduce the names and properties of basic 2-D shapes. Images and defining features of the circle, rectangle, triangle, and square are shown. Each image is colorful and includes a happy, smiling face, perfect for younger learners.
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2-D Shapes: properties Review
Play to review the various properties that help us identify 2-D shapes. Five different shapes are presented first by their properties only, these clues are then used to identify each shape. This is a great warm up activity, especially...
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Area of Regular Quadrilaterals
Can your class calculate the area of a regular quadrilateral? They can now, with this handy presentation which provides an explanation, the formula, and examples of finding the area of a regular 2-D shape.
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Quadrilaterals: 2 dimensional shapes with 4 straight sides
Which shapes are considered quadrilaterals? View and learn that two dimensional shapes with four straight sides are considered quadrilateral. The rhombus, parallelogram, rectangle, and trapezium are only few of the fabulous shapes shown...
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2-D Shapes Show
As the green squares are removed, a little piece of the puzzle is revealed. What is it? A square, a triangle, a cow? Have your class guess their way to identifying five different plane shapes.
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2-D Shape Recognition
How many of 2-D or plane shapes can your class identify? Can they get them all? Little learners view and review the names of nine different shapes, such as rectangle, square, triangle, and circle, to name a few.
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Small and Large Squares
Young mathematicians classify squares according to attributes. They sort squares according to specific attributes. Students explore squares in repeating patterns and order squares according to size. Engaging extension activities are...
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Shapes in Our World
Help your students explore shapes. They classify shapes and identify them in their everyday world. Plane shapes are explored, and they classify and identify the plane shapes.
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Terrific Tangrams
Third graders construct tangrams. In this tangrams lesson, 3rd graders manipulate basic shapes to construct tangrams. Students explore how shapes can be combined in different ways and develop spatial sense.
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Counting Corners and Sides of Shapes
Kids count shapes, corners, and sides. They locate the corners and sides of each given shape, then count and record them in the space provided. Here you will find a worksheet that provides a step-by-step process for how the problems...
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Compare 2-D Shapes
Second graders explore and analyze plane shapes. For this plane shapes lesson, 2nd graders evaluate shape attributes to classify shapes correctly. Students work in groups to create different shapes.
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Compare Plane Shapes
In this early childhood comparing plane shapes activity, students sharpen their problem solving skills as they solve 6 story problems.
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Plane Shapes
In this early childhood plane shapes worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Identify Faces
In this solid shapes learning exercise, students learn to identify solid shape faces. Students identify the solid shapes and the faces in the six word problems.
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Combine Plane Shapes
In this early childhood math practice worksheet, students examine 3 shapes and then select the blocks that they would use to build a similar shape.
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Meet the Polygon Family
Fourth graders investigate regular polygons. In this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.