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
4. Verify your answer
Addition:
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
Addition: (tiles)
Solving Multiplication/Dividing One Step Equations:
1. Isolate the variable
2. Cancel using the opposite
- multiply or divide
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
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
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:
LINKS:
Videos:
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