Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon.
Sophia Learning
Sophia: Area
This lesson will teach you how to find the area of various shapes as well as provide some example problems. Student watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Area
This lesson will teach you how to find the area of various shapes as well as provide some example problems. Student watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Pythagorean Theorem
We introduce the Pythagorean Theorem and show how it can be used to help solve real world problems. Student watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Pythagorean Theorem
We introduce the Pythagorean Theorem and show how it can be used to help solve real world problems. Student watch a video tutorial and then take an online quiz.
Khan Academy
Khan Academy: Classifying Shapes by Line and Angle Types
Explains how to classify 2D shapes based on the properties of their sides and angles. [2:15]
Khan Academy
Khan Academy: Classifying Quadrilaterals
Demonstrates how to decide which quadrilaterals match a set of given properties. [2:28]
Khan Academy
Khan Academy: Composing Shapes
Shows how shapes can be put together to make new shapes. [2:04]
Sophia Learning
Sophia: Regular Polygon Diagonals Practice
The instructor of this video lesson demonstrates how to find the number of diagonals in a regular polygon using a formula. [3:01]