Kathryn's Algebra Post

ALGEBRA- a part of mathematics that uses mathematical statements using letters to represent the value of a number.

VARIABLE - the unknown

- use a letter to represent a number

CONSTANT - the integer in an algebraic expression or equation

ONE STEP ALGEBRA:

1.) Isolate the variable.

2.) Cancel using the opposite.

-Create a zero pair for the constant.

3.) Balance on the other side of the equal sign.

4.) Verify your answer.

ADDITION

SUBTRACTION

MULTIPLICATION

DIVISION

2 Step Equations

1.) Isolate the variable.

2.) Cancel the constant.

3.) Balance.

4.) Simplify the variable.

5.) Balance

EXAMPLES:

VIDEOS:

LINKS:

http://www.sosmath.com/algebra/solve/solve0/solve0.html

http://www.intmath.com/basic-algebra/basic-algebra-intro.php

http://www.math.com/school/subject2/lessons/S2U3L6GL.html

Work sheet!:D