Monday, February 27 th
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Transcript of Monday, February 27 th
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Monday, February 27th • Please Complete Warm Up and write down
your homework
WARM UP1.
2. What is the volume of a cube that has side lengths of 6 cm
How many feet are in 3 miles?
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Week at a GlanceToday: 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
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Joke of the Day What do you call a penguin in the desert?
LOST
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Weekly Review Answers
1 week till the INTERIM!!!
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FORMULA SHEET
a=Bh
Rectangular Prism: l x w
Cylinder Prism: π 𝒓 ²
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What is It?!?!
•Volume- The number of cubic units needed to ____________ a
space
•Volume is measured in:
FILL
CUBIC UNITS
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Surface Area Vs. Volume
Surface Area Volume
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Name the geometric solids that belong to each net.
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3-D Shape Review
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Question
What is a 3-D shape that has 5
FACES
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Answer
Pyramid
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Which of the nets below could be used to form a pyramid like the one below?
Question
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Answer
B
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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.
Question
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Answer
D
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Question
Is a cylinder a polyhedron?
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Answer
NO
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Question
Is a triangular prism a polyhedron?
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Answer
YES
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12 in²
12 in²
30 in²
WHAT IS THE SURFA
CE AREA
Question
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Answer
54
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Question
Is a Cone a polyhedron?
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Answer
NO
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Question
Is a pyramid a polyhedron?
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Answer
YES
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Goal for today
Volume
Cones &
Cylinders
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Pyramid &Cone
v=1/3BhWhat does this
formula look like?
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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.
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v=1/3Bh
B= Base Base depends on what kind of base the shape has:Rectangular Pyramid: l x w Triangular Pyramid: 1/2bh
Pyramid
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Practice Problems
http://my.hrw.com/math06_07/nsmedia/homework_help/msm2/msm2_ch10_03_homeworkhelp.html
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v=1/3Bh
B= Base Base= circle Base=πr²
Cone
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Practice Problems
http://my.hrw.com/math06_07/nsmedia/homework_help/msm2/msm2_ch10_03_homeworkhelp.html