Lesson Plan
Curated OER

Geometry Lesson 7: Line Segments And Angles

For Teachers 4th
Fourth graders examine and identify line segments and angles using dot paper to draw them. They look at vertical, horizontal, intersecting, parallel and perpendicular lines, draw right angles and angles that are greater than and less...
Worksheet
Nuffield Foundation

Angles

For Students 7th - 10th
Your learners practice the foundations of measuring two-dimensional angles. As well as the explanation of how to measure angles and their classifications, learners have plenty of practice problems on this worksheet.
Worksheet
Curated OER

Identifying Angles

For Students 5th - 8th
In this angles practice worksheet, students respond to 4 questions that require them to identify the pictured angles as acute, right, or obtuse angles.
PPT
Curated OER

Classifying Triangles

For Teachers 3rd - 5th
If you're looking for a presentation to assist you in your teaching of triangles, this one could be for you. In it, learners are shown how triangles are classified by the size of their angles and by their sides. These are tricky concepts...
Lesson Plan
Curated OER

Hey! What Is Your Angle?

For Teachers 5th
Fifth graders create and classify straight, right, acute and obtuse angles. In this clever lesson plan, 5th graders utilize pretzel sticks to form different types of angles. Best of all, they get to eat them at the end!
Lesson Plan
Curated OER

What's Your Angle

For Teachers 6th - 7th
In this angle worksheet, students identify five shapes and then place them together to form a square. Afterward, they answer three questions regarding the number of right, acute and obtuse angles. This one-page worksheet contains a total...
Interactive
CK-12 Foundation

Angle Classification: Angle Exploration

For Students 7th - 10th Standards
Acute or obtuse? Seems right to me! As scholars explore the simulation, they investigate angle measures. Questions ask them to classify the angles using correct naming conventions.
Interactive
CK-12 Foundation

Identification of Angles by Vertex and Ray

For Students 9th - 12th Standards
Angle ABC is not the same as angle BCA, but it is the same as angle CBA. Help your classes understand naming conventions of angles and, more importantly, the importance of naming angles correctly. Scholars practice the parts of the angle...
Worksheet
Kuta Software

Classifying Angles

For Students 6th - 10th Standards
Learners sharpen their classification of angles skill with a simple angles worksheet that starts with unlabeled angles and ends with specific angle measures to classify.
Interactive
CK-12 Foundation

Angles: The Angle of Discovery

For Students 6th - 8th
Practice important angle vocabulary using an interactive lesson. As learners manipulate vertical angles, they watch the supplementary and congruent angles adjust. Questions pertaining to vocabulary and measurements follow their exploration.
Interactive
CK-12 Foundation

Angle Classification: Angles in the Game of Pool

For Students 6th - 10th Standards
Make a game of angle classification. Using the direction of the pool ball, scholars determine the measure of the created angles. They work to create and classify different types of angles throughout an engaging interactive.
Interactive
CK-12 Foundation

Angle Classification: Crazy Quilt

For Students 9th - 12th Standards
There's more to a quilt than just a pretty pattern—there's geometry! Explore angle classification using an artistic approach to show your class that quilt designs are really just intricate geometric patterns. Here, scholars create a...
Worksheet
Curated OER

Countdown Challenge: Geometry Exploration

For Students 6th - 8th
In this geometry worksheet, middle schoolers identify and draw right angles, acute angles, obtuse angles and straight angles. This one-page worksheet contains 34 problems.
Worksheet
Curated OER

Solving Problems with Angles

For Students 4th - 6th
Upper elementary math whizzes complete word problems having to do with measurements of angles. They complete 10 multiple choice problems.
Worksheet
Curated OER

Angles (Various)

For Students 4th - 5th
In this angles worksheet, students analyze a group of 8 angles. There are no directions for use, but students could measure these with a protractor or classify them as acute, right or obtuse.
Lesson Plan
Curated OER

Geometric Angles

For Teachers 8th - 10th
Students explore angles and their use in Geometry. Students investigate three different kinds of angles: obtuse, acute, and right angles through an online activity. They identify pairs of angles with special relationships: vertical,...
Worksheet
Curated OER

Corresponding Angles

For Students 7th - 9th
In this corresponding angles worksheet, students identify corresponding angles and determine their angle measurement.  This two-page worksheet contains 6 problems.  Answers are provided on the last page.
Lesson Plan
Curated OER

Investigation - Adrienne's Pattern Block Angles

For Teachers 5th
Fifth graders investigate possible solutions to a word problem. They explore properties of polygons and right angles. Students demonstrate proper angle measurement. Students discover patterns.
Lesson Plan
Curated OER

Angles Everywhere

For Teachers 1st
First graders find angles in their classroom. In this geometric figures lesson, 1st graders identify, describe and classify angles they see in their world. Students create pictures that contain angles and display them in the room.
Lesson Plan
Curated OER

Fun Wth Angles

For Teachers 4th
Fourth graders explore angles in everyday life. In this angles lesson, 4th graders view examples of angles, then search magazines, newspapers and catalogues for more examples. Students work in pairs and check each other's work.
Lesson Plan
Curated OER

Angles, Triangles, Quadrilaterals, Circles and Related

For Teachers 6th - 8th
Students classify angles. For this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Students participate in a manipulative...
Lesson Plan
Curated OER

Geometric Properties

For Teachers 9th - 12th
Learners find triangular angles using the angle theorem. For this geometry lesson, students describe labeled triangles, use the pythagorean theorem, and rewrite information about triangles in standard form.
Lesson Plan
Curated OER

Acute Triangles

For Teachers 4th - 8th
Learners study acute triangles. They measure angles using a protractor, then classify the triangles as either right, obtuse, or acute. Everyone creates a design for a Navajo rug using only acute triangles.
Worksheet
Curated OER

Angles and Measuring

For Students 10th
Learners identify various angles and how to measure each type. They use a protractor to measure each of the angles. Students also write the name of the angle and identify the number of degrees for each.