Math Antics
Area
Area is a two-dimensional measurement for a two-dimensional figure. The introduction of area expands on the idea of the one-dimensional measurement of length, but instead of staying one-dimensional, it goes in two directions. The video...
Khan Academy
Khan Academy: Geometry: Area and Perimeter
Explains how to calculate the area of rectangles, squares, and triangles, in addition to the perimeter of rectangles and squares. Practice problems available. [12:20]
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: Find the Perimeter of a Square or Rectangle by Adding Side Lengths
In this lesson, you will learn how to find the perimeter of a square or rectangle by adding the side lengths. [3:14]
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: Perimeter and Area: Perimeter and Area Basics
This video describes how to calculate area and perimeter of rectangles and squares.
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: Decomposing Shapes to Find Area: Subtract
Demonstrates how to find the area of a rectangular shape enclosed by another rectangle and with a third one inside it. [3:12]
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]
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.
Khan Academy
Khan Academy: Intro to Quadrilaterals
Sal Khan discovers attributes and features of four-sided shapes, including parallelograms, rhombuses, rectangles, and squares. [8:06]
Khan Academy
Khan Academy: Measuring Rectangles With Different Unit Squares
Sal finds area of a rectangle with different sized units.
Math Mammoth
Math Mammoth: Area of Rectangles and Rectangular Shapes
Demonstrates how to find the area of a rectangle using unit squares. [9:53] CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it. CCSS.Math.Content.3.MD.C.7.d Recognize area as additive.