Successfully reported this slideshow.
Upcoming SlideShare
×

# Interactive presentation

610 views

Published on

Published in: Education
• Full Name
Comment goes here.

Are you sure you want to Yes No
• You can hardly find a student who enjoys writing a college papers. Among all the other tasks they get assigned in college, writing essays is one of the most difficult assignments. Fortunately for students, there are many offers nowadays which help to make this process easier. The best service which can help you is HelpWriting.net

Are you sure you want to  Yes  No
• Be the first to like this

### Interactive presentation

1. 1. Kimberly Hefty EdTech 541 Image courtesy of http://blog.raptivity.com/2012/04/thinning-line-betweeninteractivity-and-interaction/
2. 2. Students are expected to: A1.2.B Recognize the multiple uses of variables, determine all possible values of variables that satisfy prescribed conditions, and evaluate algebraic expressions that involve variables. By U.S. Navy photo by Journalist 2nd Class Mat Sohl. [Public domain], via Wikimedia Commons
4. 4. Algebra
5. 5. 1. Make sense of problems & persevere in solving them. Image courtesy of http://plsonline.wordpress.com/2008/05/02/new-courseteaching-algebra-to-middle-school-students/
6. 6. 2. Reason abstractly and quantitatively. Image: http://commons.wikimedia.org/wiki/File:A
7. 7. 3. Model with mathematics. Image: See page for author [Public domain], via Wikimedia Commons
9. 9.  Image: By Ricardo Cancho Niemietz (talk).Ricardo Cancho Niemietz at en.wikipedia [Public domain], from Wikimedia Commons
10. 10. Click to watch video Arithmetic with Polynomials and Rational Expressions A –APR
11. 11. Image: http://ell.stanford.edu/sites/default/files/Creating%20Equations.jpeg
12. 12. Variables Order of Operations
13. 13. By Averater (Own work) [CC0], via Wikimedia Commons
14. 14. Variables are letters or symbols used to represent numbers Iantresman at English Wikipedia [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
15. 15.  Click me Click me Click me Click me
16. 16. MORE PRACTICE WITH VARIABLES
17. 17. • By HB (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0-2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
18. 18.       P E M D A S Image courtesy of http://www.mahalo.com/pemdas/
19. 19. P= •
20. 20.  Click me Click me Click me Click me
21. 21.
22. 22. Examples of exponents/power s answer 5^3 = 125 answer (-2)^4 = 16 By Ryan Somma (Flickr: Multiplication Machine) [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons
23. 23. M= Multiplication D= Division Apply in order LEFT TO RIGHT
24. 24. Practice Problems: 5+ 3 x 8 ÷ 2 5 + 24 ÷ 2 Select to reveal 5 answer & steps + 12 =17 10 – 4 ÷ 2 x 5 10 – 2 x 5 Select to 10 – 10 reveal answer & steps =0 Image courtesy of http://www.psycheduweb.fr/2011lodyssee-dune-influence-web-versatile/
25. 25. A = Addition S = Subtraction Apply in order Left to Right
26. 26. Practice Problems: 8–2+3 Select 6+3 to reveal answer & steps =9 10 + 5 – 2 Select to 15 – 2 &reveal answer steps = 13 Image: http://www.sri.com/work/projects/bridging-valley-step-ahead-stemmajors
27. 27. Please Excuse My Dear Aunt Sally
28. 28. 8 + (5)(4) – (6 + 10 ÷ 2) + 44 8 + (5)(4) – (6 + 5) + 44 8 + (5)(4) – (11) + 44 8 + 20 – (11) + to See Click Here 44 Solution 28 – 11 + 44Steps & 17 + 44 = 61 More Practice At: http://www.mathsisfun.com/operationorder-pemdas.html
29. 29. 7 x 2 + (7 + 3 x (5 – 2)) ÷ 4 x 2 7 x 2 + (7 + 3 x (3)) ÷ 4 x 2 7 x 2 + (7 + 9) ÷ 4 x 2 7 x 2 + (16) ÷ 4 x 2 Click 14 + to See ÷ 4 x 2 & Steps Here (16) Solution 14 + 4 x 2 14 + 8 22 For more explanation of these steps go: HERE(VIDEO)
30. 30. Resources Resources: Graham, A. T., & Thomas, M. O. (2000). Building a versatile understanding of algebraic variables with a graphic calculator. Educational Studies in Mathematics, 41(3), 265-282. Lee, J. K., Licwinko, S., & Taylor-Buckner, N. (2013). Exploring Mathematical Reasoning of the Order of Operations: Rearranging the Procedural Component PEMDAS. Journal of Mathematics Education at Teachers College, 4(2). Roblyer, M.D. & Doerling, A.H. (2013). Integrating educational technology into teaching (6th ed.). Upper Saddle River, NJ: Pearson.