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 Blanks

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

cubic units

Fill in the Blanks

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 Blanks

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

in³

Fill in the Blanks

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 Blanks

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

mm³

Fill in the Blanks

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 Blanks

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 Blanks

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 Blanks

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 Blanks

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 Blanks

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

cubic yards

Fill in the Blanks

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