Algebra- Writing mathematical phrases using letters to represent numbers
eg. n+3 = 143x = 18
Variable- a letter that represents a number in an equation or expression
eg. n+11=20 (can be n, x, p, z, or any letter)
Constant- the integer in an algebraic expression or equation
eg. 18+n =35
Expression- Pattern (many answers)
eg. 5n
Equation- Only has one answer and an equal (=) sign
eg. 5n=20
Algebra Tiles
eg. n+3 = 143x = 18
Variable- a letter that represents a number in an equation or expression
eg. n+11=20 (can be n, x, p, z, or any letter)
Constant- the integer in an algebraic expression or equation
eg. 18+n =35
Expression- Pattern (many answers)
eg. 5n
Equation- Only has one answer and an equal (=) sign
eg. 5n=20
Algebra Tiles
Isolate the variable
Cancel the constant using zero pair
Balance (do the same thing to the other side)
Verify to check
Cancel the constant using zero pair
Balance (do the same thing to the other side)
Verify to check
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