# Isometric Drawing Lesson Plan

Instructor: Maria Airth

Maria has a Doctorate of Education and over 20 years of experience teaching psychology and math related courses at the university level.

In this lesson plan, your students will work together to create isometric designs. Concepts from the lesson are reinforced through a video lesson, the collaborative work and a worksheet designed to assess knowledge acquisition.

## Learning Objectives

After this lesson, students will be able to:

• Define isometric drawing
• Demonstrate an understanding of how to draw isometrically
• Explain the differences between isometric drawing and other three dimensional drawing

60 minutes

## Curriculum Standards

• CCSS.MATH.CONTENT.HSG.MG.A.1

Use geometric shapes, their measures, and their properties to describe objects (e.g., modeling a tree trunk or a human torso as a cylinder).*

• CCSS.MATH.CONTENT.HSG.GMD.B.4

Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two-dimensional objects.

## Warm-up

• Ask students to name some shapes.
• Write the name of the shapes on the board. You will likely get typical 2-dimensional shapes as suggestions, such as square, triangle, etc.
• Ask volunteers to draw these shapes on the board.
• Begin to focus on 3D shapes by asking students to name some of these shapes specifically.
• Again, write the names of the shapes on the board and ask for volunteers to draw the shapes.
• Discuss the difficulty students had in drawing the 3D shapes.
• Ask for reasons why it might be important to have a uniform, standard method of drawing in three dimensions.
• What jobs might require this type of precision?
• Why is it important that the method be standardized?
• Read the lesson 'Introduction' (found at the beginning of the transcript) to your students.

## Instruction

• Hand out transcripts of the video lesson.
• Begin the video. Pause at time marker 0:57 to discuss:
• Does everyone understand what an isometric drawing is?
• What other careers do you think need to use isometric drawing? (interior design, fashion, cake making)
• Continue the video pausing at time marker 1:37 to discuss:
• So, how many axes are involved in a 3D drawing?
• What do they represent in the real world? (Height, width, and depth)
• Why are the horizontal axes drawn at 30 degree angles from true horizontal?
• How does this work to show depth?
• Before beginning the video again, ask for volunteers to identify the five three dimensional shapes shown on the example slide at time marker 1:37.
• Finish the video.
• Allow time for a brief class discussion to answer any student questions at this point in the lesson.

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