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Solving Equations by Multiplying and Dividing Decimals 3.6
Review: Multiplying Decimals Steps 1.Multiply 2.Count the amount of decimal places 3.Apply the decimal places to the product Example: (2.01)(0.04)
Review: Dividing Decimals Steps: 1.The move over any decimal places in the divisor 2.Move the same amount of decimal places to the dividend 3.Bring the decimal up 4.Divide Example: ÷6.4
MPE You can multiply or divide the same number to both sides of the equation to solve.
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Objective: Review how to divide by whole numbers and by another decimal.
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Agenda 1)Homework Folders In 2)Warm up 3)Lesson: Solving Equations by Multiplication and Division 4)Homework (if time)
ADD & SUBTRACT MULTIPLY & DIVIDE Decimals. ADD & SUBTRACT DECIMALS Rewrite (problem) Move (decimals) Solve (problem)
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Dividing Decimals Find the quotient of 12 ÷ 4 Set it up quotient Dividend (in the box) Divisor (out of the box) Find the quotient of 156 ÷ 12 1.
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* Collect the like terms 1. 2a = 2a x -2x + 9 = 6x z – – 5z = 2z - 6.
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0.1 Solving One-Step Equations. To solve an equation means to find all values of the variable that make the equation true. Isolate the variable to one.
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ONE STEP EQUATIONS What you do to one side of the equation must also be done to the other side to keep it balanced. An equation is like a balance scale.
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1.2 Solving Multi-Step Equations. Solving Two Step Equations 1. Use the Addition and Subtraction Property of Equality 2. Then use the Multiplication or.
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EXAMPLE 2 Solving an Equation Involving Decimals 1.4x – x = 0.21 Original equation. (1.4x – x)100 = (0.21)100 Multiply each side by 100.
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