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3rd Grade Common Core Geometry Resources

Kids help Alfalfa the turtle and Old Harold navigate their way into the backyard in this sweet math story.

Alfalfa's Out of the Box: Perimeter, Area, and Addition

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

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

Presenting Perimeter

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

Basic Geometry: Anatomy of an Angle

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

Find the Area of a Rectangle: Level 1

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

Geometry Basics: Perimeter

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

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

Lines, Line Segments, and Rays

This addition exercise will help students add it all up when calculating the perimeter of an object.


Perimeter and Addition

This exercise will students how to calculate the area of a rectangle with ease using square units.


Area of a Rectangle Using Square Units

For students who learn by doing, this exercise will make learning different shapes’ classifications much easier.


Classifying Shapes

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

Help students understand the relation between addition and multiplication, and the area of objects, with this easy to navigate exercise.


Relating Area to Addition and Multiplication 

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

Right Angles Geometry

This exercise will deepen students’ understanding of 2d shapes by exploring examples with shared attributes.


2D Shapes With Shared Attributes 

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

Measurement & Data Check-Up

Calculating the area of 2d shapes with equal fractions is simplified with this easy to understand exercise.


2D Shapes and Fractions with Equal Areas

Introduce your students to the basics of area!

An Introduction to Area

Geometry isn't so scary when it comes with colorful designs and easy-to-interpret illustrations! In order to take on algebra later on, your student will first need to conquer basic geometry.

Geometry Shape Up

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

Area of Rectangular Rooms

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

Word Problems: Perimeter

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

Shady Shapes: An Area Activity

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

Naming Quadrilaterals

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

Geometry Basics: More Perimeters

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

Units of Area

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

Categorizing Shapes Check 

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

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

Find the Missing Side

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

Everyday Area

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

Drawing and Identifying Polygons

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3rd Grade Common Core Geometry Resources

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