Interactive
Mangahigh

Mangahigh: Shape: Compare and Order Angles

For Students 9th - 10th Standards
Test your knowledge of comapring and ordering angles.
Interactive
Mangahigh

Mangahigh: Shape: Calculating Angles Around a Point

For Students 9th - 10th Standards
Determine angle measures based upon the given information.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Corresponding Angles

For Students 7th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify corresponding angles formed when a line intersects two other lines. Students examine guided notes, review guided practice, watch...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Identification of Angles by Vertex and Ray

For Students 6th - 7th
[Free Registration/Login may be required to access all resource tools.] Understand how angles are formed and identify an angle's rays and vertex. Students can master the concept by watching a video, examining guided notes, reviewing...
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Angles of Rotation in Standard Positions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Learn how to express angles of rotation.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Coterminal Angles

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Defining and identifying coterminal angles.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Proofs of Trigonometric Identities

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson uses trigonometric identities to prove other identities.
Unit Plan
Khan Academy

Khan Academy: Finding Missing Angles

For Students 6th - 8th Standards
Practice using knowledge of vertical, complementary, and supplementary angles to find a missing angle. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Quadrilateral Angles

For Students 6th - 8th Standards
Find missing angle measures in quadrilaterals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Third Angle Theorem Grades 8 10

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Apply the Third Angle Theorem.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Classifying Right Obtuse or Acute by Angle Measure

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to classify triangles based on angle measures.
Activity
Math Is Fun

Math Is Fun: Angles

For Students 9th - 10th Standards
Definitions of different types of angles along with images and an interactive tool through which you can create acute, right, straight, obtuse, and reflex angles. View the parts of an angle, and learn the proper way to label angles.
Activity
Math Is Fun

Math Is Fun: Solving Triangles

For Students 9th - 10th Standards
Find guidelines to help you "solve" triangles, which means finding the value of missing sides and angles. Provided are examples of six scenarios in which you can solve a triangle's missing measurements, as well as relevant equations,...
Unit Plan
Khan Academy

Khan Academy: Name Angles

For Students 3rd - 5th
Name angles by their vertex, endpoints, or labels. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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: Third Angle Theorem Grades 9 10

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to the Third Angle Theorem.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Vertical Angles Grades 9 10

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to vertical angles.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Linear Pairs

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Identifying adjacent angles and vertical angles formed by intersecting lines
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Linear Pairs

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Solve linear pair problems.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Linear Pairs

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept will introduce students to linear pairs of angles.
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 8th
[Free Registration/Login may be required to access all resource tools.] Finding and understanding the angle measures of quadrilaterals.
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
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Pythagorean Theorem to Classify Triangles

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Use the Pythagorean Theorem to determine if triangles are acute, obtuse, or right triangles.