Tuesday, May 31, 2011

Variables and Expression

Variables - a letter that represents an unknown number
Expression - any single # or variable or a combination of operations involving numbers and variables
Value - a known or calculated amount
Constant - a number that doesn't change, increases or decreases the value of an expression



For example ( the picture ):











Here is a video to help you with your understanding.






3 comments:

norien873 said...

Great job Mary ! I liked how you had some words bolded. I also liked the example picture and the video. The video is really easy to understand. Keep up the great work ! (:

Kimg817 said...

Good job! Mary I liked how you put the video to support the notes that you gave us...it helps a lot! and even the purple font its awesome..you may want to put a link next time :)

joshL814 said...

Great job Mary! Your video really supports your notes. I think you did a good job. However, put a link next time.