Thursday, February 9, 2012

Variable and Expression.

Variable - A letter that represents an unknown number.
  • It also means something we don't know, or haven't figured out yet.
Example: x, a, or n.

Expression: Any single number or variable or combination of operations. Examples of operations are ( -, +. x) Involving numbers and variables.

Example: 5, n, 8t, x+1, 2y -7.


  1. Good Job Gem! I liked how you explained it and put the important words Bold. but next time maybe you should add a picture or link.

  2. Great Job Gem! I likes how you bolded your words and made it easy to understand. Maybe next time just add a video or a picture... Possibly a link.