# Complementary Angles Teacher Resources

Find Complementary Angles lesson plans and worksheets
Showing 49 - 72 of 175 resources
Lesson Planet

#### Measuring Angles

For Students 10th
In this measuring angles worksheet, 10th graders solve and complete 21 various types of problems that include measuring different angle formations. First, they complete a flow proof of the Alternate Exterior Angles Theorem shown. Then,...
Lesson Planet

#### Naming Angles 2

For Students 10th
In this naming angles worksheet, 10th graders complete 12 problems that identify and name various types of angles in figures. They name a pair of vertical angles and a linear pair in 8 of the problems. Then, students name a pair of...
Lesson Planet

#### Types of Angles

For Students 10th
In this types of angles instructional activity, 10th graders solve 10 different problems that are related to various types of angles. First, they determine the number of degrees there are in an angle that has two supplementary angles....
Lesson Planet

#### Got Complements? with Cabri Jr.

For Teachers 9th - 12th Standards
Learners use the axes and measure angle tool to explore and calculate complementary angles with Cabri Jr. They also identify what happens to the calculation as they drag the endpoint into a different quadrant. Finally, they label each...
Lesson Planet

#### Find the Missing Angle

For Teachers 7th - 9th Standards
This one activity requires young geometers to pull together information they are currently learning with things they have learned previously. Here they rely on understanding something about parallel lines, alternative interior angles,...
9:05
Lesson Planet

#### Angles (part 2)

For Teachers 9th - 11th
The second video in the series on angles explores the concept of supplementary and complementary angles. In addition, it explains intersecting lines and opposite angles.
Lesson Planet

#### Types of Angles

For Students 10th
In this types of angles worksheet, 10th graders solve 10 different problems that include various types of angles. First, they determine the number of degrees in an angle with two supplementary angles. Then, students determine the value...
Lesson Planet

#### Angles and Parallel Lines

For Students 10th
In this angles and parallel lines worksheet, 10th graders solve 27 different variations of angle types and parallel lines. They name a linear pair, a pair of vertical angles, a pair of complementary angles, and a pair of supplementary...
Lesson Planet

#### Pairs of Angles

For Students 9th
In this angles worksheet, 9th graders classify angles as complementary or supplementary, calculate, name, and chart angles. They complete 5 problems which include multiple examples of problem solving, multiple choice and filling in the...
Lesson Planet

#### Angle Relationships

For Students 10th
In this angle relationships instructional activity, 10th graders solve 7 problems related to the different types of angles that occur in pairs. First, they identify each pair of angles as adjacent, vertical, complementary, supplementary,...
Lesson Planet

#### Measuring Angles

For Students 10th
In this measuring angles worksheet, 10th graders solve and complete 15 different problems. First, they name an angle or angles in the diagram described by each of the statements. Then, students find the measure of each angle.
Lesson Planet

#### Complimentary and Supplementary Angles

For Students 9th
For this angle worksheet, 9th graders find the missing angles to form complimentary and supplementary pairs.  This two page worksheeet contains eight complementaty angle problems and eight supplementary angle problems.  A two-page...
Lesson Planet

#### Angles in One-Degree Increments

For Students 10th
In this angles worksheet, 10th graders solve 12 problems by identifying angles in one-degree increments. They identify and explain that an angle can be determined by using a point on each ray and the vertex of the angle. Students then...
Lesson Planet

#### Geometry Practice

For Students 8th - 10th
In this geometry practice worksheet, students prove that polygons are similar, classify triangles, and solve equations to find the length of missing sides and angles in a triangle. This one-page worksheet contains 12 multi-step problems.
Lesson Planet

#### Trigonometry

For Teachers 9th - 11th
Students identify the different ratios of a right triangle. In this trigonometry lesson, students calculate the sine, cosine and tangent of a right triangle. They differentiate between right and oblique triangles.
Lesson Planet

#### Classifying Angles

For Teachers 4th - 8th Standards
Don't be obtuse, this geometry unit is the just the right resource for educating the acute young minds in your class. From classifying and measuring angles, to determining the congruence of shapes, this resource covers a wide range of...
Lesson Planet

#### Year 5 Unit 2b

For Teachers 4th - 5th
This slide-show is packed with information relating to a variety of mathematical concepts. Intended as an accompaniment to a full unit, this resource provides definitions, explanations, and opportunities for learners to practice their...
Lesson Planet

For Students 4th Standards
Reinforce fourth grade math vocabulary with a reference page offering eighteen terms. Each word is presented in bold lettering and accompanied by a definition and picture representation. Terms include number lines, supplementary angles,...
Lesson Planet

#### Postulates, Angles, and Their Relationships

For Students 8th - 11th Standards
More than a worksheet, learners go through geometry topics example by example on the nicely organized handout. From postulates to classifying angles, there are rules and examples provided for each topic. The ten pages of problems provide...
Lesson Planet

#### Transformations

For Students 10th
In this transformations worksheet, 10th graders solve and complete 9 different problems related to various types of transformations. First, they name the image of each given preimage and the type of transformation. Then, students...
Lesson Planet

#### Complimentary and Supplementary Angles #2

For Students 4th - 6th
Here is a complimentary and supplementary angles worksheet in which learners solve 12 word problems that require them to calculate the measure of angles.
Lesson Planet

#### Countdown Challenge: Complimentary/Supplementary Angles

For Students 4th - 6th
In this complementary/supplementary angle worksheet, students explore the definition of complementary and supplementary angles. They demonstrate models of a complementary and a supplementary angle. This is a one-page worksheet.
1 In 1 Collection
EngageNY

#### Complementary and Supplementary Angles

For Students 7th Standards
Connect algebraic and geometric concepts to solve problems. The first instructional activity in the 29-part series examines complementary and supplementary angle relationships. Scholars write equations to represent the relationships and...
Lesson Planet

#### Angles All Around Us

For Teachers 4th - 8th
Explore with your class the characteristics of acute, obtuse, right, complementary, and supplementary angles. They take digital photographs around the school and identify the angles in the images. Uisng software, they label and print the...