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Monday, February 27 th. Warm Up. 1. 2. What is the volume of a cube that has side lengths of 6 cm. How many feet are in 3 miles?. Please Complete Warm Up and write down your homework . Week at a Glance. Today: Volume of cones and pyramids Tuesday: NO MATH OR SCIENCE
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Monday, February 27th Warm Up 1. 2. What is the volume of a cube that has side lengths of 6 cm How many feet are in 3 miles? Please Complete Warm Up and write down your homework
Week at a Glance Today: Volume of cones and pyramids Tuesday: NO MATH OR SCIENCE Wednesday: Spatial Reasoning (Views of cubes) Thursday: Review Games including study guide! Friday: Interim Review Due and TEST on 3-D figures
Joke of the Day What do you call a penguin in the desert? LOST
Weekly Review Answers 1 week till the INTERIM!!!
FORMULA SHEET a=Bh l x w Rectangular Prism: Cylinder Prism:
What is It?!?! • Volume- The number of cubic units needed to ____________ a space • Volume is measured in: fill Cubic units
Surface Area Vs. Volume Surface Area Volume
Question What is a 3-D shape that has 5 FACES
Answer Pyramid
Question Which of the nets below could be used to form a pyramid like the one below?
Answer B
Question Alexis has two solid figures. One is a cube, and one is a square pyramid. What do the two figures have in common? a. They both have one rectangular face. b. They both have one triangular face. c. They both have exactly six faces. d. They both have at least one square face.
Answer D
Question Is a cylinder a polyhedron?
Answer NO
Question Is a triangular prism a polyhedron?
Answer YES
Question 12 in² What is the Surface area 30 in² 12 in²
Answer 54
Question Is a Cone a polyhedron?
Answer NO
Question Is a pyramid a polyhedron?
Answer YES
Goal for today Volume Cones & Cylinders
Pyramid &Cone v=1/3Bh What does this formula look like?
Important Comparisons • A Cone is 1/3 the size of a Cylinder with the same Base. • A Pyramid is 1/3 the size of a Prism with the same Base.
Pyramid v=1/3Bh B= Base Base depends on what kind of base the shape has: Rectangular Pyramid: l x w Triangular Pyramid: 1/2bh
Practice Problems http://my.hrw.com/math06_07/nsmedia/homework_help/msm2/msm2_ch10_03_homeworkhelp.html
Cone v=1/3Bh B= Base Base= circle Base=πr²
Practice Problems http://my.hrw.com/math06_07/nsmedia/homework_help/msm2/msm2_ch10_03_homeworkhelp.html