logging in or signing up Order of Operations katiedulavitch Download Post to : URL : Related Presentations : Let's Connect Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Copy embed code: Embed: Flash iPad Dynamic Copy Does not support media & animations Automatically changes to Flash or non-Flash embed WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 332 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: July 17, 2012 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript PowerPoint Presentation: Ms. Dulavitch SOL 6.8 Math 6 Order of OperationsPowerPoint Presentation: Using Order of Operations helps us decide which part of a problem to solve first. For example, in this problem, do you add 9 + 5 first or multiply 5 x 2 first? 9 + 5 x 2 Do you get the same answer either way? Order of OperationsPowerPoint Presentation: 9 + 5 x 2 If you add 9 + 5 first, then multiply by 2, your final answer is 28. If you multiply 5 x 2 first, then add 9, your final answer is 19. Which answer is correct? Order of OperationsPowerPoint Presentation: 9 + 5 x 2 Answer: 19 How do you know to multiply first? Does it work that way every time? Yes! If you use Order of Operations, you will follow the same steps for every problem and arrive at the correct answer. Order of OperationsPowerPoint Presentation: We will use PEMDAS to help us remember the Order of Operations. P arentheses E xponents M ultiplication D ivision A ddition S ubtraction PEMDAS or orPowerPoint Presentation: First, solve every operation in P arentheses. Second, solve every E xponent. Third, solve M ultiplication and D ivision depending on which comes first left to right . Ex 1) 3 x 6 / 2 Multiply first, then divide. Ex 2) 10 / 2 x 3 Divide first, then multiply. PEMDASPowerPoint Presentation: Fourth, solve A ddition and S ubtraction depending on which comes first left to right . Ex 1) 5 + 6 - 2 Add first, then subtract. Ex 2) 12 - 1 + 3 Subtract first, then add. Let’s try one together! PEMDASPowerPoint Presentation: Keep PEMDAS in mind! First, solve everything in P arentheses. Our new problem says: Example 1PowerPoint Presentation: Example 1 There are no E xponents in the problem, so we can skip that step. Next, we M ultiply or D ivide. Last, we A dd or S ubtract.PowerPoint Presentation: Let’s try another one! We can skip the P arentheses step. First, solve the E xponent. Example 2PowerPoint Presentation: We skip M ultiplication and D ivision. Next, we S ubtract, since subtraction comes before addition in the problem. Last, we A dd. Example 2PowerPoint Presentation: Now it’s your turn! Don’t forget to use PEMDAS! Check your work: Answer: O Practice 1PowerPoint Presentation: Let’s try one more practice problem! Check your work: Answer: 12 Practice 2PowerPoint Presentation: If you want some more practice before your quiz, check out the Math is Fun website. You can also watch this Order of Operations rap to help you learn the PEMDAS steps! More PEMDASPowerPoint Presentation: For the following problem, which operation would you do first? A. Multiplication B. Division C. Addition D. Subtraction Quiz Question 1PowerPoint Presentation: For the following problem, which operation would you do last? A. Multiplication B. Division C. Addition D. Subtraction Quiz Question 2PowerPoint Presentation: Solve the problem using Order of Operations: A. 9 B. 13 C. 7 D. - 3 Quiz Question 3PowerPoint Presentation: Solve the problem using Order of Operations: A. 24 B. 9 C. 4 D. 1 Quiz Question 4PowerPoint Presentation: Why do you multiply before you divide in the following problem? A. Multiply comes before divide in PEMDAS. B. Multiplication comes first reading left to right. C. The Multiplication problem has an exponent with it. D. Actually, it doesn’t matter whether you multiply or divide first. You get the same answer. Quiz Question 5PowerPoint Presentation: RightPowerPoint Presentation: WrongPowerPoint Presentation: Microsoft Office Clipart- http://office.microsoft.com/en-us/images/ Creative Commons- http://creativecommons.org/ Order of Operations Math Rap [Video File] Retrieved from http://www.youtube.com/watch?v=d0xutl2sUt0 MathIsFun (2012). Order of Operations. Retrieved from http://www.mathsisfun.com/operation-order-pemdas.html Credits You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.