Kevin reads two books every week. Joanna reads seven books a month. Carlo reads 113 books a year. Jenny reads ¼ of a book each day. How many books does.

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Presentation transcript:

Kevin reads two books every week. Joanna reads seven books a month. Carlo reads 113 books a year. Jenny reads ¼ of a book each day. How many books does Kevin read in one month? How many books does Carlo read in three years? How long will it take Jenny to read 3 books? Who will read more books in two months, Joanna or Kevin?

What is RATE? Many ratios are known as rates. A RATE is a comparison of two quantities with DIFFERENT units of measure. –Example: 15,400 feet/ 5 minutes

Tell if each is a RATE or ratio? 5 flowers in every square foot 15 minutes 2car washes 7 feet 1 foot

Helen earns $18 for three hours. Give a rate for….

A radio station plays 30 songs in 2 hours Give a rate for….

How can you tell if the rates are equivalent????? Use cross products to check the numbers The labels can NOT be the same diagonally! Example: 30 Songs 7 Songs 15 minutes3.5 minutes

Are the rates equivalent??? 100 miles20 miles 40 min5 min 13 ft26 sec 2 sec4 ft 6 dresses: 4 hours, 18 dresses: 12 hours