Introduction to the Book

Travel agents use math skills．They work out

schedules and payments．They explain when a passenger

will leave one place and will arrive in another．How else

do travel agents use math?

Today7S subway systems are large and complex．There

are schedules to keep?problems with broken trains f and SO

on．What math skills do you think the person in charge of

this subway system needs?

Race team managers need math skills to figure out the

amount of fuel a car needs and how long tires willlast．For

what else would a team manager need math?

How do airplane pilots use math?The plane has to be

kept on course．Instruments must be read accurately，

especially in bad weather．Pilots must often do their own

navigation，and that takes advanced math skills．

The people in these pictures all have two things in

common. They. all have jobs that they love. And each job

requires the use of math skills--skills that these people

first began learning in elementary school.