In this math video we will be finding the surface area of a rectangular prism. We will begin by understanding that surface area is the sum of the areas of all the faces of the shape. We will identify the six faces of the given net of a rectangular prism. We will review and use the formula for area of a rectangle as A=bh. We identify the base and height of each rectangular face. We will multiply to find the product of each base and height. We will add the areas of the six faces together and understand that the sum represents the surface area of the rectangular prism. An exemplar solution is modeled and explained.
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00:00 Introduction
00:14 The Question
00:41 Understanding the Problem
00:54 What is a Net in Math?
01:06 What is Surface Area?
01:41 How to Find the Area of a Rectangle
03:15 Find the Sum of All Faces = SA
03:54 The Solution
Geometry
Solve real-world and mathematical problems involving area, surface area, and volume.
6.G.A.4 Represent three-dimensional figures using nets made up of rectangles and triangles, and use the nets to find the surface area of these figures. Apply these techniques in the context of solving real-world and mathematical problems.
6.G.A.4 Use the net of a rectangular prism to find its surface area.