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3rd Grade Two-Dimensional Shapes Worksheets

Help your third-grader learn to recognize quadrilaterals with this geometry worksheet.

Naming Quadrilaterals

Use this worksheet as a formative assessment for your students as they study the characteristics of polygons.

Categorizing Shapes Check 

On this geometry worksheet, your third-grader will look at the different triangles and label them as equilateral, isosceles, or scalene

Identifying Triangles

This worksheet will introduce your child to the three types of triangles: the equilateral triangle, the isosceles triangle and the scalene triangle.

Three Types of Triangles 

Can you see the symmetry? Use this resource with your students to practice identifying shapes with symmetry. After your students identify the symmetrical shapes, they will draw a line of symmetry.

Shapes with Symmetry

Give your students a chance to sort polygons into categories that make sense to them.

Polygon Shape Sort

In this geometry exercise, children calculate the perimeter of various trapezoids by adding up the lengths of their sides.

Trapezoid Perimeters

Use this glossary with the EL Support Lesson: The Attributes of Polygons.

Glossary: The Attributes of Polygons

A key characteristic of trapezoids is that they have a set of parallel lines—lines that never intersect. Use this helpful geometry resource with your students to practice identifying parallel lines in trapezoids and comparing different 2-D shapes.

Trapezoids and Parallel Lines

4 lines make a quadrilateral! Help your child make various shapes with the dots in this worksheet.

Making Quadrilaterals

Help your third-grader learn to recognize the identifying features of a polygon on this geometry worksheet.

What is a Polygon?

Challenge your third grader to identify acute, right, and obtuse angles with this geometry worksheet.

What's Your Angle?

Help your child learn to recognize scalene triangles with this worksheet.

Scalene Triangles

Help your child practice identifying equilateral triangles on this geometry worksheet.

Equilateral Triangles

Symmetry is all around us, even in the letters we use in the English language! Use this fun geometry exercise with your students to give them practice identifying and drawing lines of symmetry.

Alphabet Symmetry

Use this resource to help your students develop their understanding of trapezoids and other two-dimensional shapes. Students will compare the attributes of trapezoids to those of other plane figures, such as triangles and ovals, in this geometry activity.

Geometry: Comparing Trapezoids & Other Shapes

Build reasoning and logic skills with a fun geometric shapes puzzle!

Color a Tangram Template

Children practice seeing fractions as parts of a whole in this foundational geometry worksheet.

Fraction Fundamentals: Part of a Whole

Use this geometry resource to give your students practice finding the perimeter of pentagons. Your pupils will be pentagon perimeter pros in no time!

Pentagon Perimeters

This math worksheet calls on students to examine the objects in their environment, measure them, and calculate the surface area in centimeters or inches.

Areas Around a Room

Use this fun math resource with your students to integrate geometry and fractions. Your students will use hexagons to enhance their understanding of fractions by creating their own visuals.

Hexagon Fractions

On this worksheet, your child will learn to name polygons and identify them in the world around him.

Drawing and Identifying Polygons

In this 3rd grade geometry worksheet, your child will complete each polygon using a ruler, then identify what type of polygon it is.

Polygons: Name that Shape

Use this glossary with the EL Support Lesson: Naming Shapes and their Attributes.

Glossary: Naming Shapes and their Attributes

In this 3rd grade geometry worksheet, your child will practice identifying parallelograms among other shapes and will color them in to find a hidden word.

Identifying Parallelograms

Help your child learn how to identify an isosceles triangle with this geometry worksheet.

Isosceles Triangles

With this drawing worksheet, your child will have fun learning about the identifying features of polygons.

Drawing Polygons

Use this resource with your students to have them analyze mathematical statements about polygons. They will decide if they are always, sometimes, or never true.

What is True About the Shapes?

Can your students differentiate between a pentagon and a hexagon or circle? Can they explain what makes these shapes unique? This resource will give your students practice identifying the characteristics of a pentagon and comparing it to other 2-D shapes.

Characteristics of Pentagons

What makes a trapezoid unique? How is it different from a hexagon or a pentagon? Use this resource with your students to practice identifying the characteristics of a trapezoid and comparing them to other 2-D shapes.

Characteristics of Trapezoids

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