The Sears Tower:

How High Can You Go, How Far Can You See?

Fill in the following paragraphs about the Sears Tower with the appropriate quantities that complete the information. The numbers to be used in the paragraph are located in the list to the left:

Choose from these numbers:

The Sears Tower, opened in ______ , took ______ years and $______ to build. The building has ______ gross square feet of floor space, and a combined weight of ______ tons - that's ______ lbs. That´s equivalent to the mass of about ______ average size men, almost all the men who live in Chicago. The average wind speed in the Windy City is ______ mph and the average sway of this massive building is approximately ______ inches from true center.

• 3

• 6

• 16

• 1973

• 222,500

• 2,472,222

• 4.5x10⁶

• 150 million

• 4.45x10⁸

The Sears Tower is ______ feet high - that´s about ______ Michael Jordans standing on top of each other. On a clear day, you can see ______ states - Illinois, Indiana, Wisconsin and Michigan. Visibility from the Skydeck is approximately ______ to ______ miles. Including the twin antenna towers the Sears Tower is ______ feet high. ______ Radio and Television stations broadcast from the Tower antennas.

• 4

• 22

• 40

• 50

• 224

• 1454

• 1707

The Sears Tower has approximately ______ bronze-tinted windows and ______ roof-mounted robotic window washing machines to clean all ______ windows. Sears Tower elevators are among the fastest in the world, operating as fast as ______ feet per minute - that’s over ______ mph! That´s probably about the speed of the fastest bicycle rider in your class. Compare that to Michael Johnson´s fastest running speed of about ______ feet per minute (______ mph). That´s a fast elevator!

• 6

• 18

• 22.35

• 1.6x10³

• 1967

• 16,100

• 1.61x10⁴

Approximately ______ tourists visit the Skydeck each year. That is the same number of Kindergarten through 8th grade students in all of Illinois. If there are ______ students per class and ______ classes in your school, that would be ______ classes, or ______ schools, visiting the Skydeck each year.

Go to http://www.sears-tower.com for lots of information about the Sears Tower in Chicago, Illinois.

• 25

• 30

• 2x10³

• 60,000>

• 1.5 million