1.  Ms. White is the librarian at Mountain Springs Library. She has chosen one hundred eightythree new books for the library. If the average cost per book is$10.85, approximately how much will the new books cost?

 2.  Tickets to the game between the Boston Red Sox and the Detroit Tigers cost$30.45each. Sam, Mark, Joe and David are going to the game with David's dad. If they each purchase a hot dog for$3, a soda for$3.50, and a baseball hat for$11.90, how much will they spend to attend the game?


3.  Alexis' father has been working at Mountain Springs Manufacturing for five years. Last week his hourly salary was raised from$10.09per hour to $12.10 per hour. If he works fortytwo hours per week, how much more will he make each week?

 4.  Columbus had a hard time convincing anyone to undertake the expense of financing a voyage to an unknown place. Based on the information available from other sailors and partly on his own ideas, Columbus underestimated the circumference of the Earth by twentyfour percent. The circumference of the Earth is24,901miles at the Equator. What was Columbus' estimate of the Earth's circumference? Round your answer to the nearest mile.


5.  Katherine works for three hours each day after school at the library. She makes$7.22per hour. If18% of her pay is deducted for taxes, how much will her paycheck be each week?

 6.  * Esta es una hoja prehecha. Utilice el enlace arriba de la página para un imprimible.

