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3rd Grade Common Core Geometry Worksheets

This resource will help assess your students&#39; mastery of concepts surrounding measurement and time. This worksheet will challenge your third graders with problems on area, perimeter, measurement, and elapsed time problems.

Measurement Learning Check

Learn some basic geometry with this worksheet all about the angle.

Basic Geometry: Anatomy of an Angle

Give your child some practice identifying lines, line segments, and rays with this geometry worksheet.

Lines, Line Segments, and Rays

Students practice calculating the perimeter of a variety of shapes in inches in this geometry worksheet.

Presenting Perimeter

Children practice calculating the perimeter of a variety of polygons in this geometry basics worksheet.

Geometry Basics: Perimeter

Learners will calculate the area of six rooms in this playful geometry worksheet.

Find the Area of a Rectangle: Level 1

In this 3rd grade math worksheet, your child will practice geometry and addition as they calculate the perimeter of each house to find the largest one.

Find the Perimeter

Children practice calculating the perimeter of a variety of polygons in this geometry worksheet.

Geometry Basics: More Perimeters

Use this exercise with your students to build a foundational understanding of geometry. They will determine the area of shapes by counting the unit squares.

Area: Counting Unit Squares

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

Color a Tangram Template

Help your third-grader learn about right angle geometry with this simple geometry worksheet.

Right Angles Geometry

Use this resource to give your students practice solving word problems that focus on finding the perimeter of polygons.

Word Problems: Perimeter

Calculate the area of rectangle spaces in this measurement and data worksheet!

Area of Rectangular Rooms

Use this resource to assess your students’ mastery of concepts surrounding measurement and data.

Measurement & Data Check-Up

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

Naming Quadrilaterals

Area is a quantity that can be calculated both by adding and by multiplying units.

Everyday Area

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 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

It’s time to flex your math muscles with this great geometry activity! Use this resource with your students as they practice identifying and counting angles in different two-dimensional shapes.

Angles in Two-Dimensional Shapes

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

Categorizing Shapes Check 

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

Fraction Fundamentals: Part of a Whole

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

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

Polygon Shape Sort

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

Making Quadrilaterals

Use this fun exercise with your students to practice finding the area of shapes by counting unit squares.

Shady Shapes: An Area Activity

Build your students’ foundational understanding of geometry as they determine the area of shapes by counting the unit squares.

Units of Area

With this Math Madness exercise, they will find the area of different basketball courts.

Math Madness: Finding Area 1

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

Glossary: The Attributes of Polygons

Get your child acquainted with the concept of perimeter with this geometry worksheet

Find the Missing Side

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

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3rd Grade Common Core Geometry Worksheets

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