1.4 Measuring Angles

Do Now:

Use the protractor provided to find the measure of the 6 angles shown.

Objective:
The main focus of this problem is to give you hands on experience measuring angles using a protractor. This is hopefully a skill that you have practiced before, but if not, you can check out this video on how to properly use a protractor.

Part 1: Working on Problem 1.4

• Task E - Use a protractor or angle ruler to measure each of the angles on the pages provided.
• Task D - Supplementary and Complementary angles.  Write the pairs of these angles on the "Do Now" page.  If you need more practice with these, check out the Khan Academy task found here.

Part 2: Summarizing Your Learning As A Group

In your group, discuss the following questions.  Be prepared to share your thoughts with the class.

What things do you check to make sure you are making accurate measurements?

Do you prefer the protractor or the angle ruler?  Why?

FOLLOW-UP WORK/HOMEWORK

1. 1.4 ACE PROBLEMS (19-28)