## Sunday, May 8, 2011

### Marilen's Algebra Post

Algebra: Writing mathematical phrases using letters to show numbers
Variable: The unknown, Use a letter to represent a number
Constant: The integer in an algebraic expression or equation
When there are (-) multiply and divide cancel with the same integer

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

Solving Addition/Subtraction One Step Equations Using Algebraic Tiles:
1. Isolate the variable
2. Cancel the constant using a zero pair
3. Balance
4. Verify

Solving Multiplication/Dividing One Step Equations:
1. Isolate the variable
2. Cancel using the opposite
- Multiply or divide
3. Balance
4. Verify

Solving Multiplication/Dividing One Step Equations Using Algebraic Tiles:
1. Isolate the variable
2. Simplify the variable
3. Balance
4. Verify

Solving Two Step Equations:
1. Isolate the variable
2. Cancel the constant
3. Balance
4. Simplify the variable
5. Balance
6. Verify