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Lesson Plan
EngageNY

Unknown Angles

For Students 9th - 10th Standards
How do you solve an equation like trigonometry? Learners apply their understanding of trigonometric ratios to find unknown angles in right triangles. They learn the meaning of arcsine, arccosine, and arctangent. Problems include basic...
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Lesson Plan
Curated OER

Indirectly Direct

For Teachers 4th - 8th
Young scholars use prior knowledge of angle and lines as they conduct an experiment with a rolling marble to determine the shape of a mystery object located under a metal pie tin.
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Lesson Plan
Curated OER

Angles and Transversals

For Teachers 9th - 12th Standards
Pupils explore the concept of angles and transversals. They construct parallel and non-parallel lines cut by a transversal using Cabri Jr. Learners then determine which angles are congruent and the relationship of angles when two lines...
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Worksheet
Math Mammoth

Calculating Angles in a Triangle 2

For Students 5th - 6th
In this geometry worksheet, students calculate unknown angles in diagrams of 3 triangles. They draw and answer short answer questions about angles. They then calculate the designated angles in 2 more diagrams.
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Lesson Plan
Curated OER

Finding the Sum of the Exterior and Interior Angles of a Polygon

For Teachers 8th - 10th
Students find the sum of the angles of a polygon and construct a polygon given the number of sides. In this polygon lesson plan, students draw large polygons on the floor of the room. They measure the length of each side and the interior...
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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.
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Lesson Plan
Curated OER

Measuring Angles in a Quadrilateral

For Teachers 9th - 12th Standards
High schoolers explore quadrilaterals in this geometry lesson plan. They will draw a quadrilateral, measure the angles, and find the sum of the measures of the interior angles using Cabri Jr. The interactive capabilities of Cabri Jr....
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Lesson Plan
Curated OER

An Introduction to Angles

For Teachers 4th - 8th
Students identify and create angles. In this angle measurement lesson plan, students use sticks to make models of angles, then measure and name each angle.
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Lesson Plan
Curated OER

8th Grade Math Classifying Angles

For Teachers 8th
Eighth graders identify and compare acute, right, obtuse, and straight angles. They draw two angles on pieces of construction paper so they can accurately know what it looks like. Students hang the drawings on the wall. They are asked...
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Worksheet
Curated OER

Angle Bisectors

For Students 10th
In this angle bisector worksheet, 10th graders solve and complete 23 various types of geometry problems. First, they find the angles listed in the figure shown. Then, students determine the sum of the interior angles of a polygon. They...
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Lesson Plan
Curated OER

Cabri Jr. Inscribed Angles

For Teachers 9th - 12th Standards
Young scholars construct inscribed angles using Cabri Jr. They draw a circle on their graphing calculator, then construct an inscribed angle and measure its angle measures. Learners drag the inscribed angle around the circle. They make...
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Worksheet
Curated OER

Angle Measurements

For Students 10th
In this angle measurement worksheet, 10th graders solve and complete 9 different word problems. First, they read the word problems carefully. Then, students draw a picture that represents each problem and solve. Finally, they find side...
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Lesson Plan
Curated OER

Mr. Bo Jangle, What's Your Angle?

For Teachers 3rd
Third graders explore angles. In this geometry activity, 3rd graders identify and define acute, obtuse, and right angles. Students form angles with their bodies, find angles in picture books, and record angles found outside in their...
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Lesson Plan
Curated OER

Angles Everywhere

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

Angles That Pair

For Teachers 6th - 8th
Students identify angles.  In this angles that pair instructional activity, students identify adjacent, vertical, complementary, and supplementary angles.  They use straws, pretzel sticks to demonstrate given types of angles. 
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Lesson Plan
Curated OER

What is my Angle? App

For Teachers 6th - 12th Standards
Learners estimate angle measures in this this estimating angle measures lesson. They use an application on their graphing calculator that shows various settings involving angles and then they estimate the angle measure of a clock's...
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Lesson Plan
Curated OER

Angle Explorations

For Teachers 3rd
Third graders observe angles in their classroom and create an angle finder to represent them.For this angles lesson, 3rd graders classify angles as acute, obtuse, right or straight. Students find the differences and similarities in angles.
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Lesson Plan
Curated OER

Angle Exploration and Classification

For Teachers 4th - 7th
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
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Worksheet
Curated OER

How Does the Angle Effect How Fast a Car Will Travel?

For Students 7th - 9th
For this angle of movement and speed worksheet, learners determine at which angle a car will travel the fastest. They test 12 different angles on a toy car and determine from their data which angle is the best for speed.
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Worksheet
Curated OER

Angles on a Compass

For Students 2nd - 3rd
Angles and directions collide on this activity. Students must carefully read The given traveling directions, then fill in the compass with the correct number of right angles. There are 2 pages and 18 compasses to fill.
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Worksheet
Math Mammoth

Construct Line Segments and Angles

For Students 6th - 7th
In this math worksheet, learners are asked to used a compass and straight edge to construct copies of shapes, angles and line segments.
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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...
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Worksheet
Curated OER

Christmas Tree Angles

For Students 5th - 8th
In this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
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Lesson Plan
Curated OER

The Greedy Triangle-Intro to Geometric Shapes

For Teachers 4th - 6th Standards
 In this geometry lesson, learners read The Greedy Triangle and use geoboards to construct geometric shapes. They identify the number of sides and angles each shape has.

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