march 7 - surface area of rectangular and triangular...
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March 7 Surface area of Rectangular and Triangular Prisms.notebook
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March 07, 2017
Independent Practice 1‐ What shapes are in the net?
2‐ What are the measurements of all the sides.
3‐ What is the area for each shape?
4‐ How do you find the total surface area?
Complete the following in your notebook. Your goal is 4 problems before the end of class. If you finish 4, continue on until time to go.
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Tuesday, March 7, 2017 Warm Up
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5.25 mph
8 hours
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3. New tiles are being laid in the school hallway. The tiles measure 1 foot by 1 foot. The hallway is 75 feet long and 9 feet wide. How many tiles will be needed to cover the floor of the hallway?A. 84 tiles B. 168 tiles C. 675 tiles D. 6.075 tiles
C
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SWBAT to find the surface area of 3D figures made up of rectangles and triangles by drawing using their nets.
6.G.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.
LEQ: What strategies can help me find the surface area of a triangular prisms, and pyramids?
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Review
Using your notes, turn and talk about the following things:• What is surface area?• What strategies can help find the surface area?
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Triangular Prisms
Note: Surface area is finding the area of all shapes then adding them.
What shapes are in the net? What are the area formulas for triangles and rectangles?
What is the surface area?
6 cm
7 cm
5.2 cm
Teacher Input
Remember: It may help to draw out all of the shapes to help find the areas.
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1‐ What shapes are in the net?
2‐ What are the measurements of all the sides.
3‐ What is the area for each shape?
4‐ How do you find the total surface area?
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Pyramids
Square/ RectangularBased Pyramid
Remember: It may help to draw out all of the shapes to help find the areas.
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Teacher Input1‐ What shapes are in the net?
2‐ What are the measurements of all the sides.
3‐ What is the area for each shape?
4‐ How do you find the total surface area?
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Teacher InputTriangular Based Pyramid
Remember: It may help to draw out all of the shapes to help find the areas.
1‐ What shapes are in the net?
2‐ What are the measurements of all the sides.
3‐ What is the area for each shape?
4‐ How do you find the total surface area?
March 7 Surface area of Rectangular and Triangular Prisms.notebook
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March 07, 2017
1‐ What shapes are in the net?
2‐ What are the measurements of all the sides.
3‐ What is the area for each shape?
4‐ How do you find the total surface area?
Teacher Modeling
1)
2)
Find the surface are of the triangular prism.
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Collab. Practice
2)
1‐ What shapes are in the net?
2‐ What are the measurements of all the sides.
3‐ What is the area for each shape?
4‐ How do you find the total surface area?
537 ft 2
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Exit Ticket
Use a strategy of your choice to solve.