We are going to investigate pre-algebra. The chances are very good that many of you will be taking algebra, geometry, and other higher level areas of math in upcoming years. Let's take a step closer to understanding algebra/

We will use a site called virtualnerd.com. It has HUNDREDS of short, well created videos. In this activity, you will watch a video and then answer the questions) that go with it. Each video is about 4 minutes long.

IMPORTANT:

Your goal is not to just complete watching the videos, it is to totally understand the process.

Don't race through or skip anything. Relax and take it all in!

1.

(A) What is the difference between a numerical and an algebraic expression?

Give an example of each in your answer

2.

Rewrite and complete the Substitution Property of equality (shown in red)

(A) -> If a = b, then __ can _____________ ____.

(B) In the video, what is the answer to the problem--> 7z-4 (if z = 3)

3.

Basically, for this activity you are changing an ALGEBRAIC expression into a NUMBERICAL expression.

What is the answer to the problem 4a + 10b + 1/2 b(squared)?

We will use a site called virtualnerd.com. It has HUNDREDS of short, well created videos. In this activity, you will watch a video and then answer the questions) that go with it. Each video is about 4 minutes long.

IMPORTANT:

Your goal is not to just complete watching the videos, it is to totally understand the process.

Don't race through or skip anything. Relax and take it all in!

1.

__What Are Numerical and Algebraic Expressions?__(A) What is the difference between a numerical and an algebraic expression?

Give an example of each in your answer

2.

__What is the Substitution Property of Equality?__Rewrite and complete the Substitution Property of equality (shown in red)

(A) -> If a = b, then __ can _____________ ____.

(B) In the video, what is the answer to the problem--> 7z-4 (if z = 3)

3.

__How Do You Plug Variables into an Algebraic Expression?__Basically, for this activity you are changing an ALGEBRAIC expression into a NUMBERICAL expression.

What is the answer to the problem 4a + 10b + 1/2 b(squared)?