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Lesson Plans and Worksheets for Geometry

Lesson Plans and Worksheets for all Grades

More Lessons for Geometry

Common Core For Geometry

Worksheets for Geometry, Module 2, Lesson 1

Student Outcomes

- Students review properties of scale drawings and are able to create them.

**Scale Drawings**

Classwork

**Opening Exercises**

Above is a picture of a bicycle. Which of the images below appears to be a well-scaled image of the original? Why?

**Example 1**

Use construction tools to create a scale drawing of β³ π΄π΅πΆ with a scale factor of π = 2.

**Exercise 1**

- Use construction tools to create a scale drawing of β³ π·πΈπΉ with a scale factor of π = 3. What properties does your scale drawing share with the original figure? Explain how you know.

**Example 2**

Use construction tools to create a scale drawing of β³ πππ with a scale factor of π = 1/2

**Exercises 2β4**

- Use construction tools to create a scale drawing of β³ πππ with a scale factor of π = 1/4. What properties do the scale drawing and the original figure share? Explain how you know.
- Triangle πΈπΉπΊ is provided below, and one angle of scale drawing β³ πΈβ²πΉβ²πΊβ² is also provided. Use construction tools to complete the scale drawing so that the scale factor is π = 3. What properties do the scale drawing and the original figure share? Explain how you know.
- Triangle π΄π΅πΆ is provided below, and one side of scale drawing β³ π΄β²π΅β²πΆβ² is also provided. Use construction tools to complete the scale drawing and determine the scale factor.

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