# Cubes Lesson Plan

Instructor: Christopher Sailus

Chris has an M.A. in history and taught university and high school history.

In this lesson, students learn about the three-dimensional properties of cubes and learn the formula necessary to determine a cube's surface area and put it into practice using real-life cubes.

## Learning Objectives

After this lesson, students will be able to:

• understand the basic properties of cubes
• measure the surface area of various cubes

45 minutes

## Materials

• cubes (boxes, dice, or any other cubes you can find around your house or classroom)
• rulers

• dimensions
• square
• cube
• equilateral

## Curriculum Standards

• CCSS.Math.Content.6.G.A.4

Represent three-dimensional figures using nets made up of rectangles and triangles, and use the nets to find the surface area of these figures. Apply these techniques in the context of solving real-world and mathematical problems.

• CCSS.Math.Content.6.EE.A.2

Write, read, and evaluate expressions in which letters stand for numbers.

## Instructions

• As a class read Cubes: Lesson for Kids, pausing after reading the sections 'Shapes' and 'Two-Dimensional Shapes: So Flat'. Discuss:
• What constitutes a dimension? What would a one-dimensional object look like?
• Continue reading pausing after reading the sections 'The Third Dimension: Not So Flat' and 'The Cube'. Discuss:
• Cubes are three-dimensional objects. So what? What about them is special? (Be sure to discuss all the different characteristics of a cube. Possibly writing these on the board)
• What objects can you see in the classroom that are cubes? Can you think of any examples from your daily life?
• Read the rest of the lesson.
• Discuss the surface area of a cube.
• Answer any remaining questions before moving on to the quiz.
• Have students take the quiz, reviewing questions and answers.

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