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Lesson Plan
Curated OER

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...
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Lesson Plan
Curated OER

Gee's Bend Quilts

For Teachers 3rd
Third graders identify five new facts about the quilts, women, and community of Gee's Bend and finish their quilts by sewing the four edges of the quilt down. They review the color wheel and what the terms Primary, Secondary, Analogous,...
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Lesson Plan
Curated OER

How Do You Pay a Complement to an Angle?

For Teachers 9th - 12th
Students observe and solve examples of the complementary angle theorem. They complete the How Do You Pay a Complement to an Angle worksheet, and write a response in their math journal.
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Worksheet
Curated OER

Naming Angles 2

For Students 10th
In this naming angles learning exercise, 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...
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Lesson Plan
Curated OER

Angles and Parallel Lines

For Teachers 6th
Sixth graders draw parallel and intersecting lines to observe and examine the characteristics of alternate interior angles, vertical angles, corresponding angles, and supplementary angles. Through observation, they discover the...
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Lesson Plan
Curated OER

Gee's Bend Quilts One

For Teachers 3rd
Third graders identify analogous and contemporary colors on the color wheel and identify the five facts about the quilts, women, and community of Gees Bend. Finally, 3rd graders pinned their fabric pieces to the copy paper in the exact...
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Handout
Oswego City School District

Regents Exam Prep Center: Geometry Vocabulary Resources

For Students 9th - 10th
A list of geometry definitions and a matching activity.
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Activity
Math.com

Math.com: Building Blocks: Classifying Angles

For Students 3rd - 8th Standards
This geometry resource investigates types of angles. Definitions, detailed examples, and practice problems are included.
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Activity
Texas Instruments

Texas Instruments: Got Complements? With Cabri Jr.

For Teachers 9th - 10th
Use the Axes and Measure Angle tool to explore and calculate complementary angles.
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Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Geometry Special Angle Pairs and Parallel Transversals

For Students 3rd - 8th Standards
Students are challenged to identify and measure angles created by parallel lines and a transversal as well as complementary and supplementary pairs.
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Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Razones Trigonometricas De Algunos Angulos

For Students 10th - 12th Standards
In Spanish. Observe the relationships between the trigonometric functions then test your knowledge with the activities at the end.
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Activity
Other

800score: Intersecting Angles

For Students 9th - 10th Standards
Read a description of intersecting lines and all about the different kinds of angles they form. Includes examples.
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Unknown Type
McGraw Hill

Glencoe Mathematics: Online Study Tools: Line and Angle Relationships

For Students 9th - 10th Standards
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of line and angle relationships.
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Unknown Type
Khan Academy

Khan Academy: Complementary and Supplementary Angles

For Students 6th - 8th Standards
In this exercise, students practice identifying complementary and supplementary angles. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Unit Plan
Khan Academy

Khan Academy: Identifying Supplementary, Complementary, and Vertical Angles

For Students 6th - 8th Standards
Practice telling whether two angles are supplementary, complementary, or vertical. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Complementary Angles

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to complementary angles. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Same Side Interior Angles

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to same side interior angles and how to use them to determine whether or not lines are parallel.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Supplementary and Complementary Angle Pairs

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Identify angle pairs as complementary angles, supplementary angles or neither
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Unit Plan
CK-12 Foundation

Ck 12: Complementary Angles

For Students 5th - 8th
[Free Registration/Login Required] Students explore complementary angles by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the concept by...
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Unit Plan
CK-12 Foundation

Ck 12: Complementary Angles

For Students 5th - 8th
[Free Registration/Login Required] Students explore complementary angles by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the concept by...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Supplementary and Complementary Angle Pairs

For Students 6th - 7th
[Free Registration/Login may be required to access all resource tools.] Classify supplementary and complementary pairs of angles.
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Interactive
Sophia Learning

Sophia: Complementary and Supplementary Angles

For Students 9th - 10th Standards
Complementary and Supplementary angles are explored in this tutorial video. [9:17] A PowerPoint presentation provides definitions of angle terms and a video offers examples for finding the missing angle in a supplementary or...
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Interactive
Sophia Learning

Sophia: Complementary Angles

For Students 9th - 10th
Determine if angles are complementary and take a quiz to check for understanding in this tutorial video. [2:46]
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Pairs

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Identify angle pairs as supplementary, complementary or neither.