monday, february 27 th

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?

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

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

Rectangular Prism: l x w

Cylinder Prism: π 𝒓 ²

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

Name the geometric solids that belong to each net.

3-D Shape Review

Question

What is a 3-D shape that has 5

FACES

Answer

Pyramid

Which of the nets below could be used to form a pyramid like the one below?

Question

Answer

B

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

Answer

D

Question

Is a cylinder a polyhedron?

Answer

NO

Question

Is a triangular prism a polyhedron?

Answer

YES

12 in²

12 in²

30 in²

WHAT IS THE SURFA

CE AREA

Question

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=1/3BhWhat 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.

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

Practice Problems

http://my.hrw.com/math06_07/nsmedia/homework_help/msm2/msm2_ch10_03_homeworkhelp.html

v=1/3Bh

B= Base Base= circle Base=πr²

Cone

Practice Problems

http://my.hrw.com/math06_07/nsmedia/homework_help/msm2/msm2_ch10_03_homeworkhelp.html