Goal: Use a protractor to measure and compare angles.
Activate prior knowledge: Classify angles according to their measures.
New Knowledge: Steps to draw angles
- Use a ruler to draw a ray.
- Place the centermark of the protractor on the endpoint of the ray. Align the ray with the 0 marka of one scale on the protractor.
- Find the angle you are looking for. Mark the spot.
- Use the ruler to connect this point with the endpoint of the first ray.
Apply: p.397(1-10)
Homeqork: Reteach Workbook p.107(1-6)
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