Scribe for October 1, 2009

Hello, 9-05. Today in class, we had a math test. Some of the questions on that test was similar to the test last time. There are some questions I had trouble with on the test. Like, the one with a card (10 of diamonds). It was asking what type of symmetry is shown on the playing card, and explain. I was going to put it had line symmetry, but, I tried drawing lines of symmetry. Though, it didn't work. Then I remembered, it could have rotation symmetry. Here it is:



The image has an order of rotation: 2. The angle of rotation is 180 degrees. So, therefore it has rotation symmetry.


I'm going to show you another question from the test. Here it is:
Find the angle of rotation for the following image:

The angle of rotation is: 60 degrees.

Those are two of the questions that was on the test.

We had a few homework for today

1) Provide an algebraic formula for finding the surface area of a rectangular prism.

2) Provide a formula for finding the surface area of a cylinder.

*Then, when we come to class, we should be able to explain, make a net, and be able to talk about the symmetry of the shapes. (for rectangular prisms and cylinders)

3) Write in our journals.

4) Last but not least, comment on my post! :)

The next scribe is Aleiah. The homework is due. next class. So you better get going!