Multiplication and Multiplication and Division EquationsDivision EquationsSWBAT apply the division property of SWBAT apply the division property of

equality to solve algebraic equations; apply equality to solve algebraic equations; apply the multiplication property of equality to the multiplication property of equality to

solve algebraic equationssolve algebraic equations

Undoing OperationsUndoing Operations

How do you un-do addition?How do you un-do addition? Subtraction Subtraction

How do you un-do subtraction?How do you un-do subtraction? AdditionAddition

What do we call this relationship?What do we call this relationship? Inverse operationsInverse operations

What is the opposite of multiplication?What is the opposite of multiplication? DivisionDivision

What is the opposite of division?What is the opposite of division? MultiplicaitonMultiplicaiton

ExamplesExamples

4x = 1244x = 124 5s + s = -485s + s = -48 96 = -3y96 = -3y x ÷ 12 = 3x ÷ 12 = 3 __yy_ = 56_ = 56

88 5 = w ÷ (-13)5 = w ÷ (-13)

ExamplesExamples

__mm_ = -9_ = -9

-7-7 e ÷ (-11) = -11e ÷ (-11) = -11 a ÷ 10 = -|-13| a ÷ 10 = -|-13| -24x = |72|-24x = |72| 6z + z = -29 – 136z + z = -29 – 13 144 = -12n 144 = -12n

ExamplesExamples

Try the 4 problems on your worksheetTry the 4 problems on your worksheet n = -10n = -10 x = -6x = -6 i = 0i = 0 v = -24v = -24

In your groups try problems 1-6 on In your groups try problems 1-6 on the back of your sheetthe back of your sheet

a = 60a = 60 m = 147m = 147 t = -15t = -15 q = -6q = -6 f = -7f = -7 c = 4c = 4