## Sunday, May 8, 2011

### Jocelle's Algebra Post

One Step Algebra Equation:

Variable -> is a letter that represents an unknown number in algebra.
( q, x, z, t)
Constant -> is the integer in an expression or equation.
( x +6 )
Expression -> is a pattern.
( 2x )
Equation -> has an equal sign.
( 2x=6) -> only one possible answer.

Solving Addition/Subtraction One Step Equations:
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

Subtraction:

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 to check

Subtraction: (tiles)

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

Multiplication:

Division:

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

Example:

Videos:

Worksheet: