How well do you know your angles? Let's find out! Use this geometry resource to help your students identify and differentiate between important angles such as acute, obtuse, straight, and right angles.

Use this glossary with the EL Support Lesson Plan: Sides, Corners, and More, Oh My!

Use these vocabulary cards with the EL Support Lesson Plan: Sides, Corners, and More, Oh My!

You know about 2D shapes, now get ready to learn your 3D shapes in this colorful worksheet!

Now your fourth grader can practice with estimation and finding area--in just one printable!

Kids practice finding area and perimeter with this worksheet.

Who's ready for fourths? I bet your second graders are! Use this resource to have your students identify different fractions of fourths.

Students will use what they know about area to multiply two-digit factors.

Build structures with shapes to practice geometry in this colorful worksheet!

Get to know the geometry of the line with this worksheet, which also goes over parallel and perpendicular lines.

Kids get to know shapes better by counting their line segments, endpoints, and angles, and record the info in this handy chart.

Knowing how to identify right angles is a huge part of geometry. Help your child get to know his right angle shapes with this worksheet.

Do you know your quadrilaterals? Learn how to identify five different types of quadrilaterals and put your new knowledge to use with a few practice problems.

Pentagons are easy to spot—if you know what to look for! Help your students develop an understanding of this five-sided polygon and practice 2-D shape identification with this great geometry resource!

Need a way to practice your kid's knowledge of shapes and units of measurement? This printable will get them laughing as they show off how much they know.

Chances are your child already knows a few geometry terms. Give him an introduction to the mathematical aspects of shape recognition with this worksheet.

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

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

On this worksheet, your third-grader will be asked to circle all the right angles they can find in the picture.

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

In this third grade geometry worksheet, your child will practice identifying right, acute, and obtuse angles.

Use this handy worksheet to help your students review those tricky polygons!

Help your students practice finding the perimeter as they work through problems involving pentagons.

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.

Help your students become familiar with all aspects of hexagons with this geometry activity! This worksheet gets your students thinking about the many attributes of this important 2-D shape.

Brush up on the different types of polygons and what makes them unique!

Have your fourth grader stretch his math knowledge with a geometry worksheet. He'll calculate the perimeter of a rectangle, then draw two similar shapes.

Fourth grade mathematicians will need to use their geometry skills to figure out the length of the pictured rectangles' perimeters, then make their own.

Your fourth grader will need to use his geometry skills to calculate and create rectangle perimeters. He'll also improve addition and multiplication skills.

Use your geometry skills to find the perimeters in this worksheet. This perimeter worksheet gets your child to calculate the perimeters of rectangles.