Volume with Fractional Edges Lesson

• I can find the volume of a rectangular prism with fractional edges using the formula V=lwh.

​Volume with Fractions: Objective

• Multiply Fractions

• Simplify Fractions using Common Factors

• Write Mixed Numbers as Improper Fractions

• Write Improper Fractions as Mixed Numbers

• Use the Volume Formula: V=LWH or V= (Area of Base) x Height

​Volume with Fractions: Skills Needed

Multiple Choice

What is the formula for finding the volume of a rectangular prism?

• V = l × w × h
• V = l × w
• V = l + w + h
• V = 2w × h²

• V = 2l × w × h

Multiple Choice

What is the formula for finding the volume of a cube?

• V = s³

• V = LW

• V = SLW

• V = 11

• V = 2L + 2W

Dropdown

Volume is the amount of space ​

Select answer

a 3D object. Think of it as how much of something you could ​

Select answer

an object with, like water or sand.



Volume is measured in ​

Select answer

units, like in³ or ft³ or cubic miles

Multiple Choice

Which of these could volume be used to measure?

• Temperature inside a freezer

• Pressure inside a submarine

• Time it takes to run a race

• Water inside of a fish tank

• Distance between two houses

Multiple Choice

Which of these could volume be used to measure?

• Amount of sand inside of a sandbox

• Height of a basketball player

• Time it takes to walk to school from home

• Number of calories in a hamburger

• Emotions of a child during a game

Multiple Select

Which of the following could be labels for volume answers?

• cubic inches

• ft³

• inches

• square miles

• yd²

Video Response

Explain in your own words what VOLUME is or what it measures?

Open Video Recorder

Multiple Choice

What is the volume of this rectangular prism that measures 4 units by 3 units by 2 units?

• 18 cubic units
• 20 cubic units
• 30 cubic units
• 24 cubic units
• 12 cubic units

Fill in the Blank

What is the volume of the 5 unit by 3 unit by 2 unit rectangular prism in the image?

__ cubic units

Fill in the Blank

What is the volume of the rectangular prism in the image shown?

__ cubic units

Multiple Choice

What is the volume of the image shown? (1 inch by 3/4 inch by 1/2 inch)

• 3/8 in ³

• 3/8 in ²

• 1 3/8 in ³

• 1 3/8 in ³

Fill in the Blank

If this rectangular prism is 2 inches by 1 inch by $$1\frac{1}{2}$$ inches, what is its volume?

__ in³

Fill in the Blank

This rectangular prism has a volume of 5 cubic inches.

If each small cube inside of it has a side length of $$\frac{1}{2}$$ , how many small cubes fit into the rectangular prism?

__ small cubes

Multiple Choice

Which expression could be used to find the volume of the image displayed?

• 4.5 x 3.2 x 4.2

• ( 4.5 x 3.2 x 4.2 ) / 2

• (4.5 + 3.2) + 4.2

• 1/2 ( 4.5 + 3.2 + 4.2)

Multiple Choice

Find the volume. ( $$4\frac{4}{5}\ by\ 3\frac{1}{3}by\ 3$$ )

• 16 m³

• 48 m³

• 60 m³

• 64 1/4 m³

Fill in the Blank

Find the volume of the rectangular prism in the image. Type your answer in simplest form.

___ mm³

/

Fill in the Blank

The rectangular prism in the image has a base of 4/5 by 1/3.

What is the area of the base (the face that is touching the ground) in the image?

Answer in simplest form.

___ u²

/

Fill in the Blank

The rectangular prism in the image has a base of 4/5 by 1/3. It has a height of 2/3.

What is the volume of the figure?

Answer in simplest form.

___ u³

/

Fill in the Blank

Find the volume. ( $$4\ by\ 1\frac{3}{4}\ by\ 2\frac{1}{2}$$ )

___ cubic inches

Write answer as a mixed number.

/

Fill in the Blank

If this right rectangular prism were filled with cubes that had 1/4 side length, how many cubes would it take?

____ cubes

Fill in the Blank

How many 1/2 cm cubes does it take to fill the prism?

_____ cubes

Multiple Choice

Which label would NOT be appropriate for volume.

• square miles
• inches³
• cm³
• cubic feet

Multiple Choice

A cereal box is 12 cm tall.  The area of the base is 7 cm.  What is the volume?

• 84 cm²
• 84 cm³
• 83 cm
• 84
• 83 cm³

Fill in the Blank

What is the volume of a cube with edge length 2/3 yard?

___ cubic yards

/

Fill in the Blank

Find the volume.

____ cubic meters

Multiple Choice

Find the volume of the prism if each small cube's edge measures 1/2 inches?

• 6 3/4 in ²

• 6 3/4 in ³

• 54 in ³

• 54 in ²