240523 volume

​Area = Length x Width


Units are squared
(EX: cm², m², in², etc.)

Area of a Rectangle

Multiple Choice

How do you find the area of a rectangle?

• Length + Length + Length + Length
• Length + Width
• Length x Width
• Width x Width

Multiple Choice

What is the area of this rectangle?

• 20 square millimeters
• 28 square millimeters
• 21 square millimeters
• 22 square millimeters

Multiple Choice

Find the AREA of this figure.

• 160 square feet
• 160 feet
• 1600 square feet

• 1600 feet

Area of a Triangle

Let's Practice the area of a triangle!

Multiple Choice

Which number is the height?

• 3

• 3.1

• 1.5

Multiple Choice

Which number is the base?

• 3

• 3.1

• 1.5

Multiple Choice

Find the area of the triangle.

• 4.5 units²

• 2.325 units²

• 2.25 units²

Multiple Choice

What is the height?

• 14

• 13.2

• 5

Multiple Choice

What is the base?

• 14

• 13.2

• 5

Multiple Choice

Find the area.

• 33 units²

• 66 units

• 35 units²

Now, let's review about circles...

Multiple Select

The circumference of a circle is... (select 2!)

• C = π r

• C = π r²

• C = 2 π r

• C = π d

Multiple Choice

Find the area.

$$A=\pi\times r^2$$  

• $$18.84\ in^2$$  

• $$9.42\ in^2$$  

• $$28.26\ in^2$$  

• $$15.7\ in^2$$  

Multiple Choice

Find the area of the circle

• 126.32

• 36.45

• 254

• 113.04

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Multiple Choice

What is the formula used to find the volume of a rectangular prism?

• V = Lw

• V = Lwh

• V = 1/2bh

• V = 2∏r

Multiple Choice

What is the volume of this prism?

• 16 cubic cm

• 36 cubic cm

• 144 cubic cm

Multiple Choice

What is the volume of this prism?

• 20 cubic feet
• 8 cubic feet
• 40 cubic feet

Volumes of Prisms

Cylinders

Solution

Multiple Choice

What is the volume of this cylinder?

• 42π in³

• 21π in³

• 63π in³

• 84π in³

Solution

Multiple Choice

True or false 

the volume of this picture is

$$144cm^3$$  

• True

• False

Multiple Choice

What is the radius of the cylinder?

• 10 cm

• 5 cm

• 12 cm

• 6 cm

Multiple Choice

What is the volume formula for a CYLINDER?

• $$V=\pi r^2$$

• $$V=\frac{1}{3}\pi r^2h$$

• $$V=lwh$$

• $$V=\pi r^2h$$

Approximate Volume

Multiple Choice

Which is the correct set up for the volume of the cylinder?

• $$V=\pi\times8\times15^2$$

• $$V=\pi\times8^2\times15$$

• $$V=\pi\times8\times15$$

Multiple Choice

What is the volume of this pyramid? Remember to divide by 3.

• 50 cm³

• 150 cm³

• 16 cm³

• 25 cm³

Multiple Choice

What is the volume of this pyramid?

• 120 cm²

• 600 cm²

• 100 cm²

• 200 cm²

Volume of a Cone

Multiple Choice

What shape is this?

• Cone
• Sphere
• Cube
• Pyramid

Multiple Choice

What is the formula for Volume of a Cone?

• V=π r³h
• V=π r²h
• V=(1/3)π r²h
• V=(4/3)π r³

Multiple Choice

Find the volume to the nearest hundredth using 3.14 instead of Pi.

• 12.56 ft³
• 37.68 ft³
• 18.84 ft³
• 6.28 ft³

Multiple Choice

What is the volume of the cone to the nearest tenth (use the $$\pi$$ button)?

• 29.3 $$m^3$$

• 88 $$m^3$$

• 14.7 $$m^3$$

• 44 $$m^3$$