G5 L10-1 Model Volume

Lesson 10-1

Model Volume

LESSON OBJECTIVE

Find the volume of solid figures.

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What is a solid figure?

What is a SOLID FIGURE?

A solid figure is a 3D figure or a figure that has three dimensions: length, width and height.

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What is a rectangular prism?

What is a RECTANGULAR PRISM?

A rectangular prism is a solid figure with six rectangular faces.

Real-Life Examples

Look around you for at least 3 items that have a rectangular prisms shape & share with us your findings!

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What is VOLUME?

What is VOLUME?

Volume is the number of cubic units needed to fill a solid figure without gaps or overlaps.

What is a UNIT CUBE?

A unit cube is a cube that measures 1 unit on each side.

What is a CUBIC UNIT?

A cubic unit is

the volume of one unit cube.

Finding Volume with Unit Cubes | How to Find Volume

• How to find the volume of a solid figure?

• What steps to follow?

• What formula scan be used?

How to find the volume of a solid figure?

• 1- Count the number of cubes in the top layer.

• 2- Multiply by the total number of layers in the solid figure.

• You can also find the volume by counting the number of cubes in the front layer.

Fill in the Blanks

GUIDED PRACTICE

Find the volume of the shown solid figure.

Use unit cubes to help.

Fill in the Blanks

YOUR TURN!

Find the volume of the shown solid figure.

Use unit cubes to help.

Fill in the Blanks

YOUR TURN!

Find the volume of the shown solid figure.

Use unit cubes to help.

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CHALLENGING QUESTION

Ms. Kellson’s storage closet is 3 feet long, 3 feet wide, and 7 feet high. Can she fit 67 boxes that each have a volume of 1 cubic foot in her closet? Explain your answer.

Poll

How well do you understand the lesson?

• 😞 I don't get it!

  I don't understand at all & I am very confused!

• 🤔 I kind of get it!

  I am still a little confused!

  I need some help!

• 😉 I mostly get it!

  I need some more PRACTICE!

• 😍 I got it!

  I understand everything and I can explain it to others!