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# Using Nets to Find the Surface Area of Prisms

Lesson 16 of 37

## Objective: SWBAT describe and find the surface area of prisms using a net

*55 minutes*

#### Lesson Beginning

*5 min*

I will hold up a cardboard box and ask: "How would you describe the surfaces of this box?" I will accept a variety of answers, but guide the answers toward the faces of the box. Then I'll ask: "What do you think the math term surface area means?" Again, I will take a variety of answers, but I will lead the answers toward a definition of surface area. At the very least, I want students to realize that the term itself "surface area" describes the meaning; find the area of the surfaces. Based on this, I will ask the students how we would find the surface area of the box. I may need to again guide the students with questions like: What shapes are the surfaces? How do we find the area of each face? What should we do with the areas of each face? After this I will pose the essential question of the lesson: how can you use a net to find the surface area of a prism? I will show the exit ticket at this point. We will then briefly discuss these problems in context to the questions above. The discussion here should be very general and very brief.

#### Resources

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#### Lesson End

*10 min*

We will summarize the lesson's findings by asking, How can a net help you to find the surface area of a solid? We’ll discuss this for 1-2 minutes. Students will then be given an exit ticket

*expand content*

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- LESSON 1: Explore Perimeter and Area of Composite Shapes
- LESSON 2: Perimeter of Irregular Rectilinear Shapes
- LESSON 3: Area of Composite Shapes Using a Grid
- LESSON 4: Area of Composite Shapes
- LESSON 5: Area of Regions Formed by Inscribed Shapes
- LESSON 6: CORNERSTONE:Circle Ratios: Diameter to Radius; Circumference to Diameter
- LESSON 7: CORNERSTONE: Circumference Formula
- LESSON 8: Area of a Circle
- LESSON 9: Circumference & Area Fluency Practice
- LESSON 10: Finding the Radius From a Given Circumference or Area
- LESSON 11: Circumference from Area / Area from Circumference
- LESSON 12: Circle Designs: Finding the Area and Perimeter of Shapes Composed of Arcs and Line Segments
- LESSON 13: Assessment_Area and Perimeter (Circumference) of Composite Shapes and Circles
- LESSON 14: Drawing Prisms & Pyramids
- LESSON 15: Describe Prisms and Pyramids Using Algebra
- LESSON 16: Using Nets to Find the Surface Area of Prisms
- LESSON 17: Using a Formula to Find the Surface Area of Prisms
- LESSON 18: Finding the surface area of triangular prisms using a net
- LESSON 19: Finding the Surface Area of a Triangular Prism Using A Formula
- LESSON 20: Discovering the Formula for the Surface Area of A Cylinder
- LESSON 21: Finding the Surface Area of Cylinders Using a Formula
- LESSON 22: Practice Day: Surface Area of Prisms & Cylinders
- LESSON 23: Surface Area of Prisms and Cylinders Assessment
- LESSON 24: Finding the Surface Area of Pyramids Using Nets
- LESSON 25: Finding the Surface Area of Pyramids Using a Formula
- LESSON 26: Surface Area of Composite Shapes
- LESSON 27: Surface Area of Composite Shapes With Holes
- LESSON 28: Surface Area Assessment
- LESSON 29: 3-D Models from 2-D Views
- LESSON 30: Exploring Volume and Surface Area with Unifix Cubes
- LESSON 31: Explore Volume of Rectangular Prisms
- LESSON 32: Find the Volume of Prisms Using a Formula
- LESSON 33: Volume Of Cylinders Using a Formula
- LESSON 34: Volume of Composite Shapes
- LESSON 35: Volume and Surface Area - Accelerated Math Fluency Day
- LESSON 36: Volume of Pyramids
- LESSON 37: Surface Area and Volume Final Assessment