WASHINGTON STATE MATHEMATICS COUNCIL 2000 MIDDLE SCHOOL MATH OLYMPIAD   Session II: FIFTH GRADE MEASUREMENT Make sure you include proper units in your answer. 5

1.    Andrea wants to tile the floor of her 5 ft. by 7 ft. bathroom with tiles that are 6 inch by 6 inch squares. How many tiles will she need?

2.    On a house plan diagram, 1 inch represents 4 feet. How long is the side of a building that is 6¼ inches long on the diagram?

3.    After acquiring Alaska and Hawaii territories, the United States greatly increased in area. To the nearest percent, what was the percent of this increase to the area of the United States?

 Territory Year Total Area of the United States in that Year  (in thousands of square miles) Original area 1790 889 After Louisiana Purchase 1803 1,716 After Texas 1845 1,845 After Oregon Territory 1846 2,464 After Gadsen Purchase 1853 3,022 After Alaska territory 1867 3,612 After Hawaii territory 1898 3,618

4.    If a stamp machine can make 360 stamps in 3 minutes, how many stamps can it make in 8 hours?

5.      Carla is hanging a picture that is 28 inches wide on a panel that is 36 inches wide. If she hangs the picture in the center of the panel, how far will each edge of the picture be from the edge of the panel?