Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Area and Perimeter

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the area and perimeter of squares and rectangles.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Area and Perimeter of Squares

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area and perimeter of squares.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Rectangles Squares Circles and Triangles

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of rectangles, squares, circles and triangles.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Squares and Rectangles

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of squares and rectangles.
Instructional Video
Sophia Learning

Sophia: Square Practice Problems

9th - 10th
This video lesson demonstrates how to use the characteristics of a square to find angle measures and side lengths. [4:31]
Instructional Video
Math Antics

Math Antics: Quadrilaterals

3rd - 8th Standards
Gain a basic understanding of quadrilaterals by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [9:49]
Instructional Video
Khan Academy

Khan Academy: Perimeter and Area: Perimeter and Area Basics

3rd - 8th Standards
This video describes how to calculate area and perimeter of rectangles and squares.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Quadrilaterals

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of various quadrilaterals.
Instructional Video
Loyola University Chicago

Math Flix: Pythagorean Theorem Puzzle

5th - 8th
This QuickTime movie uses a tangram-like puzzle to help understand the Pythagorean Theorem. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Area of Squares and Rectangles Word Problems

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square and rectangle.
Instructional Video
Khan Academy

Khan Academy: Intro to Quadrilaterals

3rd Standards
Sal Khan discovers attributes and features of four-sided shapes, including parallelograms, rhombuses, rectangles, and squares. [8:06]
Instructional Video
PBS

Pbs Learning Media: Peg + Cat: Geometry Collection

Pre-K - K Standards
This collection includes 16 Peg + Cat video clips about geometry including 2-D and 3-D shapes.
Instructional Video
Sophia Learning

Sophia: Double Diagonals of a Square: Lesson 4

6th - 8th
The fact that that when both diagonals are drawn in on a square, four congruent 45-45-90 triangles are formed is discussed in this lesson. It is 4 of 5 in the series titled "Double Diagonals of a Square."
Instructional Video
Sophia Learning

Sophia: Double Diagonals of a Square: Lesson 1

6th - 8th
The fact that that when both diagonals are drawn in on a square, four congruent 45-45-90 triangles are formed is discussed in this lesson. It is 1 of 5 in the series titled "Double Diagonals of a Square."
Instructional Video
Sophia Learning

Sophia: Finding Area With Squares: Lesson 7

5th - 8th
Step by step, this lesson will show you how to add up the number of squares that cover an object in order to find the area of a figure. It is 7 of 7 in the series titled "Finding Area with Squares."
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Square: Lesson 2

10th - 12th Standards
This lesson [7:10] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a square in a coordinate plane. It is 2 of 3 in the series titled "Coordinate...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Square: Lesson 3

9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a square in a coordinate plane. It is 3 of 3 in the series titled "Coordinate Geometry...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Squares: Lesson 1

9th - 10th Standards
This lesson [8:34] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a square in a coordinate plane. It is 1 of 2 in the series titled "Coordinate...
Instructional Video
Sophia Learning

Sophia: Coordinate Geometry of Square: Lesson 1

9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a square in a coordinate plane. It is 1 of 3 in the series titled "Coordinate Geometry...
Instructional Video
Sophia Learning

Sophia: Double Diagonals of a Square

6th - 8th
The fact that that when both diagonals are drawn in on a square, four congruent 45-45-90 triangles are formed is discussed in this lesson.
Instructional Video
Expansion Learning

Expansion Learning: Basic Shapes (Part One)

3rd Standards
Video provides students with an explanation of the basic shapes of square, rectangle, triangle, and circle.