Spreadsheets Chapter 7

Objectives Define and describe spreadsheets, and their features and functions Describe how a spreadsheet might be integrated into the classroom Evaluate spreadsheet software Create spreadsheet activities for the classroom

Teachers Use Spreadsheets Calculate and enter student grades Create charts and graphs Create lesson planners Construct game boards Create seating charts Create inventories Develop rubrics Set up schedules

Students Use Spreadsheets Track science experiment results Find area and perimeter Create timelines and charts Plan a budget Calculate data Store equations and numbers Analyze statistics for team sports

Early Spreadsheets VisiCalc LogicCalc PlannerCalc

In 1982 Lotus First integrated spreadsheet Components are not sold separately Includes the functions of a Spreadsheet Word processor Database

Excel Spreadsheet component of the Microsoft Office suite of products Components of a software suite can be purchased separately

Rows and Columns

Cells Numbers Text Formulas

Grade Roster

Grade Roster in Excel

Gradebook Roster with Averages

Functions Built-in software routines Ready-made formulas Statistical Mathematical Financial Logarithmic Trigonometric 230 functions in Excel, more than 100 in AppleWorks

“What If” Analysis Spreadsheets have the ability to recalculate the results of formulas or functions when the value in a cell changes

Features of a Spreadsheet Protected and hidden cells Logical functions Predetermined functions Date and time function Macros Graphing

Features of a Spreadsheet Memory indicator Cell names Attached notes Editing and sorting Copy and paste Templates Online help Formatting

Advanced Features Linking spreadsheets Database capabilities Desktop publishing tools Save as a Web page Hyperlinks in the worksheet

Selecting a Spreadsheet Determine hardware compatibility Study the program’s features Ease of use Built-in functions Consumer value Technical support

Hardware Compatibility Operating system Memory size Storage space on hard disk

General Features Labeling Decimal points and dollar signs Column widths Hide and protect cells Macros Linking Number of columns and rows available

Ease of Use Online help is important

Built-in Functions Sum Average Standard Deviation

Consumer Value Licensing Lab Packs Shareware

Support Does phone support happen in a timely manner? Does the support have a cost? Is there a tutorial or manual?

In Summary Teachers and students use spreadsheets when they want to perform numerical calculations and do data prediction.