Tree-mendous Angles! | Knowitall.org

Lesson Overview

This lesson helps 3rd graders explore angles (right, acute, obtuse) by designing Christmas trees with specific angle requirements using protractors. They'll also practice identifying these angles in other shapes.

Duration

Less than 1 hour

Lesson Type

Traditional Lesson

Essential Question

How can we use angles to create different shapes and designs, like Christmas trees?

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Prepare
Lesson
Resources
Standards
Assessments

Grade(s):

Subject(s):

Recommended Technology:

Other Instructional Materials or Notes:

Math
- Geometry

Whiteboard or projector
Markers or pens
Protractors
Rulers
Paper
Markers/colored pencils
Optional: Pre-printed images with triangles and quadrilaterals (for identification practice)

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Standards

3.MGSR Measurement, Geometry, and Spatial Reasoning
- 3.MGSR.3 Extend geometric reasoning to attributes of polygons and/or polyhedrons
  - 3.MGSR.3.1 Describe and draw right, acute, obtuse, and straight angles. Identify these angle types in two-dimensional figures including triangles and quadrilaterals

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