2. 1 2008 USM Summer Math Institute Co-Sponsored by Institutions of Higher Learning (IHL) U.S. Department of Education (No Child Left Behind Funding) The Center for Science and Mathematics Education The Department of Mathematics College of Science and Mathematics College of Education and Psychology Day Eight TI 84 Cellsheets, Pizza Spreadsheet and monthly budget

3. 2 2008 USM Summer Math Institute Your Mathematics Instructors, Staff and Partners Ms. Michelle Green, Co-Director and Co-Instructor for (SM) 2 I –Stringer Attendance Center –National Board Certified/Early Adolescence –Email mgreen@westjasper.k12.ms.us, Phone 601-428-5508mgreen@westjasper.k12.ms.us Dr. Myron Henry, Director and Co-Instructor for (SM) 2 I –Department of Mathematics and the Center for Science and Mathematics Education –Johnson Science Tower 314 –Email myron.henry@usm.edu, Phone 601-266-4739 or 266- 6516myron.henry@usm.edu All Participants (that’s you)

4. 3 Day Eight of (SM) 2 I 1.Cellsheets and tips 2.Pizza Spreadsheet 3.Pie and bar charts 4.A monthly budget: by you!

5. 4 Spreadsheet on TI-84 Plus Silver Edition Using APPS To activate the Spreadsheet through [APPS]  The CellSheet Help window shows which buttons access the functions needed to do operations. The top left hand corner shows the name of the spreadsheet (S01) A Problem: Listed is check amounts before taxes for eating out: –$ 42.95 –$ 13.77 –$ 78.00 –$ 25.88 Use the spreadsheet to compare 15% tips with 20% tips. Also compare the 15% tip rate with the estimation method of doubling the tax.

6. 5

7. 6 Ginno’s of Times Square TypeDiameterprice Pepperoni + cheese 22 in$24.99 Sausage + green pepper 18 in$20.99 Onion, green pepper + tomato 14 in$16.99 Gessepi’s at Central Park TypeDiameterprice Pepperoni + cheese 20 in$22.99 Sausage + green pepper 16 in$15.99 Onion, green pepper + tomato 12 in$14.99

8. 7 What do we mean by best buy? What headings should we have? What columns might we need? How about formulas? Any body hungry?

9. 8

10. 9 Building a Chart Build a Spreadsheet Headings Spreadsheet data Highlight data Insert Chart Pie + Data Bar + Data

11. Highlight Cells + Columns from Pizza Spread Sheet Highlight data F6:F8 Insert Column Chart Design, select data, edit series, highlight Gino’s, o.k. Edit horizontal category, highlight B6:B8, o.k. Add series Highlight Gessepi’s Highlight data F11:F13, o.k. Layout, Chart Title, Pizza Comparisons Format, Right Click, Axis, Alignment 10

12. 11

13. 12 Pie Charts, Bar Graphs, and all that Jazz!

14. 13

15. 14 A Pie Chart

16. 15 A Bar Graph

17. 16 A Monthly Budget $36,000 annual salary $24,000 take home pay Monthly expenses –Food $400 –Rent $700 –Car payment $250 –Electric + gas $250 –Insurance $200 –Savings + entertainment $200 Monthly income and expenses –Total monthly income –Expenses as a percentage of monthly income

18. 17 The Task 1.Build a spreadsheet 2.Construct a pie chart 3.Construct a bar graph 4.Construct a linear graph