Order of Operations Review.notebook August 11, 2015 Homework Questions??? Bellwork: Write each as a decimal: 1) 2) 3) Write each as a fraction: 4) 0.08 5) 0.468 6) 0.27 7) What percentage of your grade is based on homework? Aug 7­4:35 PM Aug 7­4:55 PM Order of Operations: P ‐ parenthesis E ‐ exponents Review: Real Numbers and Order of Operations Review the real number sets and how to use order of operations to simplify expressions. M ‐ multiplication D ‐ division A ‐ addition S ‐ subtraction Aug 7­4:55 PM Order of Operations 1) Perform and operation inside grouping symbols (), [], {}. 2) Simplify any term with exponents (square roots). 3) Multiply and divide in order from left to right. Aug 8­9:28 AM Example 1: 3 + 5 * 7 ÷ 2 You Try 1: 4 * 8 ­ 21 ÷ 3 4) Add and subtract in order from left to right. Aug 8­9:38 AM Aug 8­9:38 AM 1 Order of Operations Review.notebook August 11, 2015 Example 2: Why do you think it is important to have a set Order of Operations? 3(4 + 2) ­ 7 Be Ready to share. You Try 2: 8 + 6(15 ­ 4) Aug 8­9:38 AM Aug 8­9:39 AM You Try 3: 12 ÷ 4 + 7 - 23 Example 3: 9 + 3(7­16) ­ (­4) You Try 4: 32 + 4(13-8) -11 You Try 6: 12[(­25) + 13] ­ 4(6) You Try 5: 2[72 + (12 - 3) ÷ 3] Aug 8­9:39 AM How do I solve this problem? 7*3 ­ 5 5 + 3 Aug 8­9:40 AM Aug 8­9:39 AM Write your own problem that includes positive and negative integers and order of operations. Solve your problem then give to your partner to solve. Aug 8­9:41 AM 2 Order of Operations Review.notebook August 11, 2015 Homework Answers Order of Operations Homework: Order of Operations Worksheet 1) 20 2) ­18 3) 1 5) 35 6) 4 7) 48 4) ­2 8) 23 9) ­8 10) ­80 11) 34 12) 93 13) 15 14) 1 15) 10 16) ­8 17) ­10 18) 121 19) 11 20) 25 Why Should You Look Out for a Pig That Knows Karate? It might give you a pork chop Aug 8­9:41 AM Aug 12­8:01 AM 3