Primary Resources
Primary Resources: Angles
A great place to find teacher resources on angles. Includes worksheets PowerPoint presentations and smartboard files.
Khan Academy
Khan Academy: Unknown Angle Problems (With Algebra)
Practice setting up algebraic equations to solve unknown angle problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Vertical Angles
In this exercise, students practice finding vertical angles. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Geometry: Perpendicular Lines
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about perpendicular lines.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Points, Lines, Planes, Angles
Twenty-five problems cover the topics of points, lines, planes and angles in various settings. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Illustrative Mathematics
Illustrative Mathematics: G Co Points Equidistant From Two Points in the Plane
In this task, students are shown a line segment that is bisected at a right angle by a second line. They are asked to prove statements about this geometric construction. Includes a GeoGebra worksheet that can be used by the instructor to...
CK-12 Foundation
Ck 12: Geometry: Supplementary Angles
[Free Registration/Login may be required to access all resource tools.] Solve supplementary angle problems.
CK-12 Foundation
Ck 12: Geometry: Same Side Interior Angles
[Free Registration/Login may be required to access all resource tools.] Use same side interior angles to determine supplementary angles and the presence of parallel lines.
ABCya
Ab Cya: Bow and Angle
Join the heroes Loxley, Arrowyn, Busido, and Mockingbird in this epic adventure of Bows and Angles! Practice measuring and reading angles while you defend yourself from treacherous shadow ninjas.
PBS
Pbs Learning Media: Lines and Angles: Targeted Math Instruction
At the end of this lesson, students will be able to identify and apply the properties of lines and angles and understand the concept of parallel, perpendicular, complementary and supplementary angles, vertical angles, and parallel lines...
E-learning for Kids
E Learning for Kids: Math: Singing Angels: Angles
Play an interactive game to determine the different types of angles.
ClassFlow
Class Flow: Circles and Angles
[Free Registration/Login Required] In this flipchart students practice identifying parts of a circle, measure angles, and practice solving area and circumference problems.