## FindingTheSurfaceAreaOfPyramidsUsingAFormula_LessonBeginning_VideoNarrative.mov - Section 1: Lesson Beginning

*FindingTheSurfaceAreaOfPyramidsUsingAFormula_LessonBeginning_VideoNarrative.mov*

# Finding the Surface Area of Pyramids Using a Formula

Lesson 25 of 37

## Objective: SWBAT determine the surface area of pyramids using a formula

*50 minutes*

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#### Lesson Middle

*35 min*

Students work on 4 guided practice problems with their partners as a reference if they get stuck. GP1 provides scaffolding for students along with an image. GP3 may be a challenge especially if presented in black and white. Students may have a difficult time seeing that 15 in is the length of the base triangle and 13 inches is its height. To aid students, I will suggest that they use their hand or a piece of paper to cover everything but the pyramids base – revealing only a triangle. For the other two problems, I ask students to draw the pyramids. This is an opportunity for students to enhance their ability to use appropriate tools (**MP5**) – they draw a model from a verbal description. It also gives students an opportunity to attend to precision (**MP6**) by using terminology (regular, slant height, base, etc….) appropriately in their drawings and by labeling the parts of their drawing correctly. Students will see similar problems in their independent practice and then some slightly trickier applications of surface area. Problem 8 is an “explain your thinking” type problem that develops students' ability to construct viable arguments. (**MP3**)

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#### Lesson End

*10 min*

We will briefly review the process for finding the surface area of pyramids. Then students begin the exit ticket. If time permits, I will collect the exit tickets and then go over the problems so that students can have immediate feedback.

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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