Worksheet
Curated OER

Harmonic Motion

For Students 9th - 12th
In this harmonic motion worksheet, students read about repetitive motion, the parts of harmonic motion, and graphing harmonic motion. Students then complete 5 matching and 20 fill in the blank questions.
Worksheet
Curated OER

Harmonic Motion

For Students 9th - 12th
In this harmonic motion worksheet, students read about the difference between harmonic motion and linear motion. They are given the parts of harmonic motion, graphs of harmonic motion and equations to find the period and frequency of...
Worksheet
Curated OER

An application of the Parallax Effect

For Students 9th - 12th
In this parallax effect worksheet, students observe 2 photographs taken of an active area of the sun by 2 STEREO satellites and 1 photograph taken of the same active area of the sun by the SOHO satellite. Students observe the shift in...
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Savvas Learning

Pearson Education: Radian and Degree Angle Measures [Pdf]

For Students 9th - 10th Standards
This resource details how to convert between radians and degrees with worked examples. It also looks at special radian measures that are used often.
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Illustrative Mathematics

Illustrative Mathematics: 4.md,g Measuring Angles

For Teachers 3rd - 5th Standards
The purpose of this task is to gain experience drawing and measuring angles, developing an understanding of the additive structure of angles. Aligns with 4.MD.C.7.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Measures in Given Triangles

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find the degree measure of an unknown angle in given triangles.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Angle Measures in Given Quadrilaterals

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find the degree measure of unknown angles in given quadrilaterals.
Handout
Cuemath

Cuemath: Angles

For Students 9th - 10th Standards
A comprehensive guide for learning all about angles with definitions, examples, and practice questions.
Activity
BBC

Bbc: Angles

For Students 6th - 9th Standards
You can pick up some valuable pointers on angles and lines here. When you finish working your way through the pages you can take an on-line "Test Bite," and check your understanding.
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Angles

For Teachers 3rd - 8th Standards
This upper elementary and middle school lesson plan introduces the concept of acute, obtuse and right angles. Also, as the lesson proceeds vertical, adjacent, alternate interior and alternate exterior angles are explored. Plenty of...
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Khan Academy

Khan Academy: Radians and Degrees

For Students 9th - 10th Standards
Convert angle measures given in degrees to radians and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Pizza (Italian) Restaurant: Angles I

For Students 5th - 6th
In this interactive website, students practice various math skills such as identifying different types of angles, use the degree symbol, estimate and measure angles, and construct angles.
Interactive
Mangahigh

Mangahigh: Shape: Opposite Angles

For Students 9th - 10th Standards
Explore opposite angles by chosing the appropriate angle for the missing degree of measure.
Handout
Government of Alberta

Learn alberta.ca: Mathematics Glossary: Acute Angle

For Students 3rd - 8th Standards
Get a visual and animated definition of what an acute angle is, as well as examples of acute angles in the real world.
Handout
Windstream

Ojk's Precalculus Study Page: Measurement of Angles

For Students 9th - 10th Standards
An introduction to radian measurement, including converting between radians and degrees. Includes several examples and lots of pictures.
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Measurement of Angles

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains many topics regarding measurement of angles, including standard position, degree measure, and coterminal angles. There are example problems solved, problems for the student to attempt,...
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Khan Academy

Khan Academy: Draw Angles

For Students 4th - 5th Standards
Practice constructing angles given the degree measure.
eBook
Mathigon

Mathigon: Geometry: Circle and Pi: Degrees and Radians

For Students 9th - 10th Standards
Rather than dividing a circle into some number of segments (like 360 degrees), mathematicians often prefer to measure angles using the circumference of a unit circle - a circle with radius 1. This way of measuring angles is called...
Handout
CK-12 Foundation

Ck 12: Geometry: Arcs and Angles Study Guide

For Students 9th - 10th Standards
This study guide on arcs and angles covers key vocabulary, arc measurement in degrees and radians, congruent arcs, bisecting arcs, and the angles on, inside, and outside a circle. Also covers formulas and theorems. It is available for...
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Radian Measure

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the radian measure of angles. There are example problems solved, problems for the student to attempt, and answers to the student problems.
Unknown Type
Khan Academy

Khan Academy: Radians & Degrees

For Students 9th - 10th Standards
Convert angle measures given in degrees to radians and vice versa.
Handout
Purple Math

Purplemath: Converting Between Radians and Degrees

For Students 9th - 10th Standards
Describes degrees and radians with respect to angles, the reason for the invention and use of radians, and how to convert between radians and degrees.
Website
PBS

Pbs Learning Media: What's a 360?

For Students 3rd - 8th Standards
In this Cyberchase video segment, Harry tries to snowboard and learns how to measure and identify many common angles.
Activity
Texas Instruments

Texas Instruments: Extension: Parallel Lines and the Sum of the Angles

For Teachers 6th - 8th Standards
Students construct a line parallel to the base of a triangle and measure the angles formed. They use the construction to prove that the sum of the measures of the interior angles of a triangle is 180 degrees.