Degrees Teacher Resources

Find Degrees lesson plans and worksheets
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Lesson Planet

Construct a 45 Degree Angle

For Students 8th - 11th Standards
Create a 45-degree angle without bisecting an angle. A video shows a method to construct a 45-degree angle without needing to bisect a right angle. By constructing an isosceles right triangle, the presenter constructs a 45-degree angle...
4:47
Lesson Planet

Construct a 30 Degree Angle

For Students 8th - 11th Standards
Split it down the middle. Using the tools of geometric construction, the video shows two different methods of constructing a 30-degree angle. The first method bisects an angle of an equilateral triangle. The second uses the diagonal of a...
2:47
Lesson Planet

Constructing Equilateral Triangles and 60 Degree Angles

For Students 8th - 12th Standards
Creating a 60-degree angle also creates an equilateral triangle. By watching the video, individuals learn the steps required to construct a 60-degree angle. The presentation shows that the process is the same for constructing an...
2:51
Lesson Planet

Construct a 90 Degree Angle

For Students 8th - 12th Standards
There is more than one way to create a 90-degree angle. Using a compass and a straightedge, the video shows two ways to construct a right angle. The ways include using perpendicular bisectors and circle theorems. To wrap up, pupils...
Lesson Planet

The Angle Tangle

For Teachers 4th - 5th Standards
Fourth and fifth graders identify three types of angles, recognize that angles are measured in degrees, measure angles using protractors or angle rulers. They classify angles as a class, classify angles on pattern blocks, and complete a...
Lesson Planet

Angles

For Teachers 4th - 5th
Fourth and fifth graders investigate angles and name them according to the criteria for obtuse, acute, and right angles. They examine a human-made yarn pattern on the floor of their classroom and identify angles, vertices, and types of...
Lesson Planet

Amazing Angles

For Teachers 4th - 9th Standards
Three letter-sized mini posters can be displayed in your elementary geometry class when teaching about angles. One provides information about degree measurement and additive properties, and the other two define acute, right, obtuse,...
Lesson Planet

Drawing Angles

For Students 4th - 5th
Get out those protractors! Once geometers can identify obtuse, acute, right, and straight angles, get them to measure and draw their own. There are six boxes here, each with an angle measurement. Learners use a protractor to draw the...
Lesson Planet

Measure, Draw, and Classify Angles - Reteach 14.4

For Students 4th - 6th Standards
Learners use a protractor to draw, measure, and classify angles. They solve six problems total. Note that the angles all come from a set of three intersecting lines, making this ideal as an enrichment for those who are beyond...
3:42
Lesson Planet

Find Angle Measurements Using Complementary and Supplementary Angles

For Students 6th - 8th Standards
How can geometry learners remember the difference between supplementary and complementary angles? Not only will the video explain how to remember these two angles, but it also demonstrates how to find unknown angles knowing the degree of...
1 In 1 Collection
EngageNY

Solving for Unknown Angles Using Equations II

For Students 7th Standards
The third lesson in the series of 29 asks learners to identify types of angles to verify angle relationships. They use vertical, adjacent, complementary, supplementary, and 360-degree angles to find unknown measures.
Lesson Planet

Finding an Unknown Angle

For Teachers 4th - 6th Standards
Teach your class how to apply their knowledge of geometry as they explore the unknown. In order to find an unknown angle, students must understand that rectangles have four interior right angles, that right angles have 90 degrees, and...
Lesson Planet

Practice: Measuring Angles and Using a Protractor and More!

For Students 4th - 6th Standards
Four fabulous worksheets are included in this resource, all having to do with the measurement of angles. On the first, anglers will use a protractor to determine the degrees of 10 different angles. An arc is drawn on each. On the second,...
Lesson Planet

Triangle's Interior Angles

For Teachers 7th - 9th Standards
Given a pair of parallel lines and a triangle in between, geometers prove that the sum of the interior angles is 180 degrees. This quick quest can be used as a pop quiz or exit ticket for your geometry class.
2:36
Lesson Planet

Introduction to Angles Using Degrees

For Students 6th - 10th
What's your angle? Individuals learn how angles are measured by watching a video in the Socratica Geometry series. The video explains acute, right, obtuse, and straight angles.
Lesson Planet

Angles, Angles, and More Angles

For Teachers 4th - 6th
Upper graders play a game where they take turns drawing an angle and estimating its measurement in order to apply their understanding of various angles. Player 1 draws an angle using a straight edge, their partner estimates the degrees...
9:17
Lesson Planet

Angles and Degrees

For Students 4th - 8th Standards
How do you determine the size of an angle? Pupils learn about degrees and how to measure the size of an angle. The video associates the measurements to types of angles such as acute, obtuse, and right. The additive properties of angle...
4:55
Lesson Planet

How Do You Find Angle Measures for Adjacent Angles?

For Teachers 6th - 12th
Two angles with given values are adjacent. Together they are 172.5 degrees. How do you find the degree of one of the angles? You will have to write an algebraic equation with the given information to solve for the value of the variable....
4:44
Lesson Planet

Measuring Angles: Lesson

For Students 4th - 6th Standards
Develop a degree of measurement. With the aid of a protractor, the video shows how to measure angles. The segment of a larger playlist on geometry basics points out that it is possible to start at a value other than zero when measuring...
EngageNY

Sine and Cosine of Complementary Angles and Special Angles

For Students 9th - 10th Standards
Building trigonometric basics here will last a mathematical lifetime. Learners expand on the previous lesson in a 36-part series by examining relationships between the sine and cosine of complementary angles. They also review the ratios...
Lesson Planet

Angles, Degrees, Protractors . . . Oh My!

For Teachers 4th - 5th Standards
Fourth and fifth graders make a protractor and identify various angle types. For this protractor and angle lesson, learners make their own protractor and use it to measure a variety of angles. They complete worksheets while identifying...
Lesson Planet

Measuring Angles

For Students 4th - 6th Standards
The first of two pages displays various angles as the measure of degrees of a circular arc. An explanation is written, and learners are asked to model each by holding up two pencils as the rays. The second page provides instruction on...
Lesson Planet

Measuring Angles - Pretest Questions

For Students 4th - 6th
Upper graders solve ten multiple choice problems about angles and measuring angles.
Lesson Planet

Are These Right?

For Teachers 3rd - 5th Standards
Is that a right triangle or a wrong triangle? Young mathematicians look at eleven different shapes and use a measuring tool of their choice to determine which triangles have right angles. Consider cutting out sets of the shapes to...

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