CK-12 Foundation
Ck 12: Elem Math: Overview of Ellipses Trapezoids Rhombi and Polygons
[Free Registration/Login may be required to access all resource tools.] The video draws and defines an ellipse, trapezoid, rhombus, and polygon.
Math Mammoth
Math Mammoth: Area and Perimeter Problems: Rectangular Shapes
Demonstrates how to solve problems where one is asked to determine the area and perimeter of rectangles or to draw rectangles with given measurements. [9:39]
CK-12 Foundation
Ck 12: Elem Math: Overview of Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on various two dimensional shapes including rectangles, squares, circles and triangles.
CK-12 Foundation
Ck 12: Elem Math: Overview of Area and Perimeter
[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.
CK-12 Foundation
Ck 12: Elem Math: Overview of Area and Perimeter of Squares
[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.
CK-12 Foundation
Ck 12: Elem Math: Overview of Rectangles Squares Circles and Triangles
[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.
CK-12 Foundation
Ck 12: Elem Math: Overview of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of squares and rectangles.
CK-12 Foundation
Ck 12: Elem Math: Overview of Composite Figures Made of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Video explaining two ways of finding the area of an irregular shape that is composed of two rectangles. [0:51]
Khan Academy
Khan Academy: Intro to Area and Unit Squares
Models how to find the area of shapes that have only right angles by covering them with square units. [4:17]
Imagine Learning Classroom
Learn Zillion: Determine Which Unit of Measurement to Use to Find the Area
In this lesson, you will learn how to decide which unit of measure to use to find the area by comparing the different units. [4:02]
Imagine Learning Classroom
Learn Zillion: Find the Area of a Polygon Using a Key
In this lesson, students will learn how to find the area of a polygon by using a key to count the square tiles. [3:57]
Imagine Learning Classroom
Learn Zillion: Find the Area of a Shape Using a Key to Find the Unit of Measure
In this lesson, you will learn how to find the area of a shape by using a key to find the unit of measure. [3:09]
Khan Academy
Khan Academy: Transitioning From Unit Squares to Area Formula
Conceptualize what area is by calculating the area of a rectangle by using unit squares and the area formula. [3:21]
Imagine Learning Classroom
Learn Zillion: Find Area by Counting Square Units
In this lesson, you will find the area of a complex shape by counting the square units. Login gives access to a slideshow as well. [4:17]
Math Antics
Math Antics: Quadrilaterals
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]
Khan Academy
Khan Academy: Counting Faces and Edges of 3 D Shapes
Sal identifies the faces and edges on various 3D shapes. [3:36]
Khan Academy
Khan Academy: Recognizing Common 3 D Shapes
Sal identifies the following 3D shapes: square pyramid, rectangular prism, triangular prism, cylinder, and cone. [3:28]
CK-12 Foundation
Ck 12: Elem Math: Overview of Quadrilaterals
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of various quadrilaterals.
Khan Academy
Khan Academy: Measuring Area With Partial Unit Squares
Models how to find the area of a shape on a grid that has different angle sizes by counting both square and partial units. [3:16]
Khan Academy
Khan Academy: Decomposing Shapes to Find Area: Add
Demonstrates how to break an irregular shape into three rectangles, find the individual areas, and then add them together. [3:36]
Khan Academy
Khan Academy: Intro to Unit and Area Squares
Sal finds area of a rectangle with different sized units. [3:43]
CK-12 Foundation
Ck 12: Elem Math: Overview of Area of Squares and Rectangles Word Problems
[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.
Khan Academy
Khan Academy: Comparing Areas and Perimeters of Rectangles
Sal compares the areas and perimeters of rectangles to a given rectangle.
Khan Academy
Khan Academy: Quadrilateral Properties
Learn about the properties of quadrilaterals, parallelograms, trapezoids, rhombuses, rectangles, and squares.