The main goal of this problem is for you to use your knowledge of benchmark angles to be able to estimate the measure of angles and to sketch angles with a given measurement. One of the common difficulties with doing this is that students measure the wrong angle because they do not understand the system used when naming angles.
Group Work:
With your group, work through Tasks A-D on page 16/17. Using a ruler will be a very important part of this unit, so make sure that you have one anytime you are doing classwork, homework, or other assignments.
By the end of the problem, you should be able to do the following:
- Identify, read, and label angles using proper notation.
- Estimate the size of an angle within 15 degrees.
- Sketch and label angles based on either a measurement (180 degrees), number of rotations (half a rotation) or description (two times the size of a right angle)
HOMEWORK:
- ACE Problems: (10-11) (49, 51, 53, 54+)
- If you would like some extra practice estimating angle sizes, try The Honey Bee Dance
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