Lesson plan

# 8. Use transformations for real-world problems (A)

teaches Common Core State Standards CCSS.Math.Content.8.G.A.1 http://corestandards.org/Math/Content/8/G/A/1
teaches Common Core State Standards CCSS.Math.Content.8.G.A.1a http://corestandards.org/Math/Content/8/G/A/1/a
teaches Common Core State Standards CCSS.Math.Content.8.G.A.1b http://corestandards.org/Math/Content/8/G/A/1/b
teaches Common Core State Standards CCSS.Math.Content.8.G.A.1c http://corestandards.org/Math/Content/8/G/A/1/c
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4

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Lesson objective: Apply rigid transformations to several objects to plan rearranging a room.

This lesson provides an opportunity for students to apply their knowledge and understanding of rotations, reflections, and translations to a real-life situation. Students are asked to describe two different ways to rearrange the components of a room, using rigid transformations and meeting specific guidelines, by understanding that the shapes remain congruent after they are transformed.

Key Concept students will use:

• Figures that have measures (length of segments, angle measures) are taken to congruent figures.

Skills students will use:

• describing translations
• describing rotations
• describing reflections

Students engage in Mathematical Practice 4 (Model with Mathematics) as they apply their knowledge of the properties of rigid transformations to a real-world scenario.

Key vocabulary:

• reflections
• rotations
• translations

Special materials needed:

• grid paper to draw transformations (optional)
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• 8. Use transformations for real-world problems (A)