Visit this link and define each term. Use Power Point to show them and insert pictures using print screen key to show examples.
http://www.jegsworks.com/Lessons/numbers/reference/glossary-noframes.htm
1. absolute reference
2. active
3. cell
4. cell reference
5. cell style
6. chart area
7. chart tips
8. chart title
9. chart type
10. formula
11. format Cells
12. function
13. relative reference
14. range
15. spreadsheet
16. worksheet
17. workbook
18. .xls