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Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

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1–4 Order of OperationsMAIN IDEA• Find the value ofexpressions using theorder of operations.BUILD YOUR VOCABULARY (pages 2–3)A numerical expression is a combination ofand .The order of operations tells which operation to performfirst so that everyone gets the same .EXAMPLES Use Order of OperationsKEY CONCEPTOrder of Operations1. Simplify theexpressions insidegrouping symbols,like parentheses.2. Find the value of allpowers.3. Multiply and dividein order from left toright.4. Add and subtract inorder from left toright.Find the value of each expression.30 - 10 + 930 - 10 + 9 = 20 + Subtract from fi rst.= Add and .4 + (10 - 3)4 + (10 - 3) = Subtract 3 from 10.= Add and .Check Your Progress Find the value of eachexpression.a. 21 - 6 + 9 b. 6 + (8 - 4)Copyright © Glencoe/<strong>McGraw</strong>-<strong>Hill</strong>, a division of The <strong>McGraw</strong>-<strong>Hill</strong> Companies, Inc.10 Math Connects, Course 1

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