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Lesson Menu Five-Minute Check (over Lesson 14–5) Main Idea and Vocabulary Key Concept: Volume of a Rectangular Prism Example 1:Volume of a Prism Example 2:Volume of a Prism Volume of Prisms
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Main Idea/Vocabulary I will find the volumes of rectangular prisms. volume
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KC 1
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Example 1 Volume of a Prism What is the volume of a fish tank that is 4 inches long, 4 inches wide, and 6 inches tall? One Way: Use a Model Count the number of 1-inch cubes that will fill the bottom of the rectangular prism. The prism is 4 cubes long and 4 cubes wide. There are 16 cubes on the bottom.
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Example 1 One Way: Use a Model There are 6 layers of cubes. So, there are 6 × 16 or 96 cubes. Volume of a Prism
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Example 1 Another Way: Select and Use a Formula V = wh Formula for the volume of a rectangular prism. V = 4 × 4 × 6 = 4, w = 4, h = 6. V = 96 Multiply. Answer: The volume of the fish tank is 96 cubic inches. Volume of a Prism
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1.A 2.B 3.C 4.D Example 1 A.15 cubic inches B.30 cubic inches C.45 cubic inches D.90 cubic inches What is the volume of a box that is 3 inches long, 3 inches wide, and 5 inches tall?
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Example 2 Volume of a Prism Find the volume of the rectangular prism. Answer: The volume of the prism is 480 cubic meters. Formula for the volume = 12, w = 8, h = 5 V = 480 Multiply. V = wh V = 12 × 8 × 5
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1.A 2.B 3.C 4.D Example 2 A. 468 cubic millimeters B. 358 cubic millimeters C. 221 cubic millimeters D. 26 cubic millimeters Find the volume of the rectangular prism.
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End of the Lesson End Lesson
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Resources Five-Minute Check (over Lesson 14–5) Image Bank Math Tool Chest Volumes of Prisms
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1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 14–5) Solve. Use the make a model strategy. A picture frame is 4 inches wide and 12 inches long. It has yellow stars every inch and one at each corner. How many stars are there on the frame? C. 34 stars B. 32 stars D. 42 stars A. 36 stars
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