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Curated OER
Harmonic Motion
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.
Curated OER
Harmonic Motion
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...
Curated OER
An application of the Parallax Effect
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...
Savvas Learning
Pearson Education: Radian and Degree Angle Measures [Pdf]
This resource details how to convert between radians and degrees with worked examples. It also looks at special radian measures that are used often.
Illustrative Mathematics
Illustrative Mathematics: 4.md,g Measuring Angles
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.
CK-12 Foundation
Ck 12: Geometry: Angle Measures in Given Triangles
[Free Registration/Login may be required to access all resource tools.] Find the degree measure of an unknown angle in given triangles.
CK-12 Foundation
Ck 12: Geometry: Angle Measures in Given Quadrilaterals
[Free Registration/Login may be required to access all resource tools.] Find the degree measure of unknown angles in given quadrilaterals.
Cuemath
Cuemath: Angles
A comprehensive guide for learning all about angles with definitions, examples, and practice questions.
BBC
Bbc: Angles
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.
Shodor Education Foundation
Shodor Interactivate: Lesson: Angles
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...
Khan Academy
Khan Academy: Radians and Degrees
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.
E-learning for Kids
E Learning for Kids: Math: Pizza (Italian) Restaurant: Angles I
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.
Mangahigh
Mangahigh: Shape: Opposite Angles
Explore opposite angles by chosing the appropriate angle for the missing degree of measure.
Government of Alberta
Learn alberta.ca: Mathematics Glossary: Acute Angle
Get a visual and animated definition of what an acute angle is, as well as examples of acute angles in the real world.
Windstream
Ojk's Precalculus Study Page: Measurement of Angles
An introduction to radian measurement, including converting between radians and degrees. Includes several examples and lots of pictures.
Lawrence Hall of Science
The Math Page: Trigonometry: Measurement of Angles
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,...
Mathigon
Mathigon: Geometry: Circle and Pi: Degrees and Radians
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...
CK-12 Foundation
Ck 12: Geometry: Arcs and Angles Study Guide
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...
Lawrence Hall of Science
The Math Page: Trigonometry: Radian Measure
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.
Khan Academy
Khan Academy: Radians & Degrees
Convert angle measures given in degrees to radians and vice versa.
Purple Math
Purplemath: Converting Between Radians and Degrees
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.
PBS
Pbs Learning Media: What's a 360?
In this Cyberchase video segment, Harry tries to snowboard and learns how to measure and identify many common angles.
Texas Instruments
Texas Instruments: Extension: Parallel Lines and the Sum of the Angles
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.