Type the heading in row one on the spreadsheet 2. Type 1 in cell A3. Highlight cells A4 through A10, select Edit, then Fill Down. 5. Type 1.25 in cell C3. Highlight cells C4 through C10, select Edit, then Fill Down.
Students can choose to type in the function rule in the B column or leave it blank.
Show students how the spreadsheet can calculate many more functions by highlighting all three columns and any number of rows. Give students other samples to try on their own. Have them save all work. Negative and positive numbers can be used as input too. As a community service project, our school sells, at cost, fruit in the after-school program.