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...
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.] In this lesson students solve complementary angle problems. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
Unit Plan
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Complementary Angles

For Students 5th - 8th Standards
Find a quick, concise explanation of complementary angles. Several examples are given and explained showing different situations.
Website
National Institutes of Health

National Center for Complementary and Integrative Medicine

For Students 9th - 10th
This site is the home page of a professional organization of physicians and other healthcare providers who specialize in complementary and alternative medicinal practices.
Handout
Auburn University

Auburn University: A Glossary of Political Economy Terms: Complementary Goods

For Students 9th - 10th
This site gives a good definition of "complementary goods" and provides examples. It also explains how when the price of Good A changes, the demand curve for Good B will shift.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Supplementary and Complementary Angle Pairs

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Use reasoning to figure out the measures of missing angle measures
Article
Curated OER

Kids Health: Complementary and Alternative Medicine

For Students 9th - 10th
Some people are wary of complementary and alternative medicines while others swear by them. Before you make up your mind, read this article that examines alternative medicines, their risks, and what to keep in mind before exploring them...
Graphic
Other

Color Worqx: Complementary Colors

For Students 9th - 10th
After providing an overview of color theory and the color wheel, this site focuses on complementary colors and perceptual opposites. Various examples of complementary colors are also provided.
Handout
The Math League

The Math League: Angles and Angle Terms: Complementary Angles

For Students 9th - 10th Standards
This tutorial provides a short definition of complementary angles.
Whiteboard
ClassFlow

Class Flow: Complementary and Supplementary Angles

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This flipchart contains Complementary and Supplementary angles. This lesson integrates proofs as well as matching, and integrated assessment through out the lesson. Works well with the book Geometry for...
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.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Sine and Cosine of Complementary Angles

For Teachers 9th - 10th Standards
The goal of this task is to provide a geometric explanation for the relationship between the sine and cosine of acute angles. In addition, students will need to think about the sine and cosine as functions of an angle in order to reason...
Unit Plan
Math Is Fun

Math Is Fun: Complementary Angles

For Students 3rd - 5th Standards
Gives a clear definition and drawing of the complementary angles in a polygon.
Website
National Institutes of Health

Complementary & Alternative Medicine News and Events

For Students 9th - 10th
The news & events supplicd by the national Center for Complementary & Alternative Medicine covers a broad rand of healing philosophies, approaches, and therapies not commonly used by traditional Western medicine.
Article
Other

Worqx: Color and Contrast

For Students 9th - 10th
In an continuing overview of color and color theory, this site focuses on color and contrast. Topics covered in the overview include simultaneous contrast, sensitivity to colorblind deficiencies, choosing complementary colors, and more.
Whiteboard
ClassFlow

Class Flow: Complementary Angles

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Using a variety of Activstudio tools, students investigate complementary and supplementary angles.
Article
Aetna Intelihealth

Aetna: Inteli Health: Alternative Therapies for Osteoarthritis

For Students 9th - 10th
Provides readers with a list of the most common complementary and alternative therapies for osteoarthritis. Explains each and discusses any research on the effectiveness.
Activity
Texas Instruments

Texas Instruments: Simple Probability

For Teachers 9th - 10th Standards
This set contains statistics questions regarding probability as a relative frequency. The student will recognize event pairs: complementary events, mutually exclusive events, and independent events, and use them in probability calculations.
Activity
Clark University

Clark University: Dave's Short Trig Course: Trigonometric Functions

For Students 9th - 10th
The Clark University site shows and explains the graphs of the six trigonometric functions. It explains how to find an arbitrary angle measurement using trig. Also, it explains that sine and cosine functions are complementary.
Unit Plan
CK-12 Foundation

Ck 12: Probability: Complement Rule for Probability Grade 6

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Determine the probability of complementary events.
Unit Plan
CK-12 Foundation

Ck 12: Probability: Complement Rule for Probability Grade 7

For Students 7th Standards
[Free Registration/Login may be required to access all resource tools.] Recognize complementary events as two disjoint events, one or the other of which must occur.
Graphic
Other

Worqx: Color Studies

For Students 9th - 10th
In an continuing overview of color and color theory, this site focuses on a variety of topics in color studies including colors of a complementary relationship, and colors of a triad relationship.
Activity
Texas Instruments

Texas Instruments: Probability: Pairs of Events and Expected Values

For Teachers 9th - 10th Standards
This set of questions pertains to probability: pairs of events, mutually exclusive events, complementary events, expected values, independent events, and conditional probability. Solutions and explanations are included.
Website
CK-12 Foundation

Ck 12: Complement Rule for Probability

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] An explanation of complementary events in probability including Determining Complements of an Event, The Complement Rule including a video [9 mins, 40 secs], Using...

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