Why Lesson Planet?
Elementary schoolers creat a variable machine which will help them discover the value of words. This simple, yet effective, activity is easy to implement with your class and would be a terrific way to introduce the concept of variables replacing numbers. It's beginning algebra at its finest! A strip of paper has all of the letters of the alphabet listed, with a corresponding number next to them. All sorts of activities are described of ways these strips can be used to introduce this concept.