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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.

Know Your Angles

Introduce your child to different angles starting with an obtuse angle and see him find the obtuse angles in this worksheet.

Obtuse Angles

This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

Identifying Triangles: Right Triangles

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

Right Angles Geometry

Help your fourth graders take their understanding of angles and lines to the next level with this creative geometry challenge! Students will have fun drawing various types of shapes based on written descriptions and your students' knowledge of angles.

Drawing Angles

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

Identifying Triangles: Acute Triangles

Turn your fourth grader into a geometry detective! How many degrees is each missing angle in these quadrilaterals?

The Missing Angle: Quadrilaterals

Is your fourth grader reluctant to practice geometry? This colorful worksheet, which explores obtuse triangles, may be just what he needs!

Obtuse Triangles: Identifying Triangles

Put that protractor to good use! In this geometry worksheet your student will practice measuring each of these angles using a protractor.

Measuring Angles

Is your child in need of a geometry review? This worksheet covers the basic 2-D shapes, from circles and triangles to pentagons and hexagons.

2-D Shapes: Fill in the Table

This fun puzzle provides lots of angle practice for your child. Can he figure out which way the boat is facing after the last turn?

Angle Practice

Use this year-end assessment to check students’ grasp of key fourth grade geometry concepts.

Math Review Part 3: Geometry Galore!

Help students learn how to use a protractor.

Protractor Practice

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

Basic Geometry: Anatomy of an Angle

Supplementary, Complementary, Vertical, and Adjacent Angles

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