Geometry Town Lesson Plan

Instructor: Heather Jenkins

Heather has a bachelor's degree in elementary education and a master's degree in special education. She was a public school teacher and administrator for 11 years.

Use this lesson plan to guide your instruction on how to build a geometry town. Students will work in groups to examine solid figures from different perspectives and use geometric shapes to create their own map from a bird's eye view.

Learning Objectives

Upon completion of the lesson, students will be able to:

  • create a map of an aerial or bird's eye view of a town or city
  • identify how various solid figures and real life objects look from different perspectives

Length

2+ hours (plus additional time for extension activity)

Curriculum Standards

  • CCSS.MATH.CONTENT.7.G.A.3

Describe the two-dimensional figures that result from slicing three-dimensional figures, as in plane sections of right rectangular prisms and right rectangular pyramids

  • CCSS.MATH.CONTENT.7.G.A.1

Solve problems involving scale drawings of geometric figures, including computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale.

Vocabulary/Phrases

  • 2-D shapes
    • circle, square, rectangle, parallelogram, rhombus, trapezoid, triangle, pentagon, hexagon
  • Geometric figures
    • parallel lines, intersecting lines, perpendicular lines
  • Solids
    • cylinder, rectangular prism, cube, cone, cylinder, sphere, pyramid
  • Other words/phrases
    • aerial view, bird's eye view, perspective, cartographers

Materials

  • Aerial pictures of your town
  • Chalk
  • Graph paper
  • Access to computers (optional)
  • Solid shapes or objects shaped like solid shapes
  • Art supplies
  • Blocks or other materials to build a model of a town (optional)

Instruction

  • Give each student an aerial picture of an area in your town and a piece of chalk.
  • Tell the students that these pictures show an aerial or bird's eye view of the area. Define 'aerial view' and 'bird's eye view' for the students.
  • Ask the the students to identify any shapes or lines that they see in the pictures by using the chalk to outline the shape or line.
  • Discuss the following questions:
    • What types of shapes did you find in the picture? Review the 2-D shapes vocabulary words, if needed.
    • What types of lines did you find in the picture? Review the geometric figures vocabulary words, if needed.
    • Why do the buildings, which are three-dimensional and not flat, look like 2-D shapes on your picture?
  • Reinforce to the students that because of the perspective from which the map was taken, the large buildings looked like simple shapes. Define the word 'perspective.'

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