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Order of Operations
- 1. ORDER OF OPERATIONS By Vanessa Dalton OCS Algebra I
- 2. What is Order of Operations? • A standard way to simplify mathematical expressions and equations. What is the purpose? • To avoid confusion and give consistency in simplifying expressions and equations.
- 3. Example: 5 + 3 * 4 = ? Does 5 + 3 * 4 = 8 * 4 = 32? or 5 + 3 * 4 = 5 + 12 = 17? √ Correct Answer: 17
- 4. The Rules … 1. Simplify within Grouping Symbols ex. Parenthesis ( ), { }, [ ], | | 2. Simplify Exponents Raise to Powers 3. Complete Multiplication and Division from Left to Right 4. Complete Addition and Subtraction from Left to Right
- 5. P How Can I Remember it? • Parentheses Please • Exponents Excuse • Multiplication *My • Division Dear • Addition *Aunt • Subtraction Sally • (from left to right) *(from Little Rock)
- 6. PEMDAS Image by natreview.com Please Excuse My Dear Aunt Sally
- 7. EXAMPLE: Parenthesis 25 ÷ 5(4 – 2) + 32 * 2 Exponent 25 ÷ 5 ( 2) + 32 * 2 Division (left) 25 ÷ 5 ( 2) + 9 * 2 Multiplication 5 *( 2) + 9 * 2 Multiplication 10 + 18 Addition 28 final answer
Notas del editor
- This template can be used as a starter file for presenting training materials in a group setting.SectionsRight-click on a slide to add sections. Sections can help to organize your slides or facilitate collaboration between multiple authors.NotesUse the Notes section for delivery notes or to provide additional details for the audience. View these notes in Presentation View during your presentation. Keep in mind the font size (important for accessibility, visibility, videotaping, and online production)Coordinated colors Pay particular attention to the graphs, charts, and text boxes.Consider that attendees will print in black and white or grayscale. Run a test print to make sure your colors work when printed in pure black and white and grayscale.Graphics, tables, and graphsKeep it simple: If possible, use consistent, non-distracting styles and colors.Label all graphs and tables.
- Give a brief overview of the presentation. Describe the major focus of the presentation and why it is important.Introduce each of the major topics.To provide a road map for the audience, you can repeat this Overview slide throughout the presentation, highlighting the particular topic you will discuss next.
- This is another option for an Overview slides using transitions.
- Use a section header for each of the topics, so there is a clear transition to the audience.