MATH 140 In Class Exercise #3 Names______________________________

Newspapers usually consist of large sheets of paper that are printed and folded in half to form the pages of the newspaper.

1. Suppose that you had a sheet of paper that you folded in half. How many pages would be formed? ___________. How many pages would be formed with two such sheets? _______

2. If, starting with 1, you numbered the pages of the single sheet that you had folded in half, which numbers would appear on either side of the sheet of paper? ____________ Answer the same question if you had two sheets of paper folded into a newspaper. ____________

3. What is the sum of the page numbers on the same side of the sheet of paper for the single sheet? ________ (Notice that the sum is the same for both sides.) What is the sum for the two sheet newspaper? _________

4. What is the sum of all the page numbers for the single sheet? _________ What is it for the double sheet? _________

5. a) If you had ten sheets of paper to fold, how many pages would you get? ________

b) What would be the page numbers on the innermost sheet when the newspaper was formed? _________

c) What would be the sum of the page numbers that appeared on any one side of a sheet of paper? _________

d) What would be the sum of all the page numbers? _______