Variable - A letter that represents a number algebraic equation and expression

Constant - The integers in an equation and expression

Expression - A pattern with many answers

Equation - With only 1 possible answer

Steps to solve "one step equations" :

1. Isolate the variable

2. Make a zero pair with the constant

3. Balance the question

4. Verify

Using Algebra Tiles:

Steps to solve a "two step equation" :

1. Isolate the variable

2. Cancel the constant

3. Balance

4. Simplify the variable

5. Verify

Solving a Two step equation with algebra tiles:

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