Unit Plan
Mathematics Vision Project

Geometric Figures

For Teachers 10th - 12th Standards
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Determining the Unknown Angle in a Triangle

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 determine a missing angle in a triangle.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Sum Theorem Grade 7

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Recognize the sum of the interior angles of a triangle as 180 degrees.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Triangle Sum Theorem Grades 8 10

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Recognize the sum of the interior angles of a triangle as 180 degrees.