1. Classifying Triangles terms to know: Acute triangle Obtuse triangle Right triangle Scalene triangle Isosceles triangle Equilateral triangle

2. Notes- watch video and take notes on how to classify triangles https://www.youtube.com/watch?v=mLeNaZcy-hE OR take notes from book: Section 4-1 on pages 202-03 in book Notes should include: Definitions of all terms, and drawings/examples for all SIX ways to classify triangles by side or angle. An explanation of the sum of measures of the angles of a triangle. Title your notes and examples “Classifying Triangles” and add the date and your name Notes should be used on assignments and should be left in folder.

3. Assignment (If you need a review of how to use a protractor, go here:) https://www.youtube.com/watch?v=t4xCOUNEInI https://www.youtube.com/watch?v=t4xCOUNEInI Assignment: Get a protractor, compass, rules, pencil, and paper. Go to this Youtube video: https://www.youtube.com/watch?v=NzcTKGxwCCE https://www.youtube.com/watch?v=NzcTKGxwCCE Follow along, and draw the three triangles drawn in the video.

4. Khan Assignment Go to Khanacademy.org and complete these skills: Triangle Angles 1 Area of Triangles Surface Area using nets

5. Essential Questions Explain why or why not: Can a triangle have an angle that is more than 180°? Explain why or why not: Can a triangle have more than one 90° angle? Explain why or why not: Can an equilateral triangle be a right triangle? Explain why or why not: Can an equilateral triangle be an obtuse triangle?

6. Leave all work in folder.