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Travel Math - Independent Practice
Contributed by: Miles
In this lesson, you will learn about the mathematicalconcepts involved in international travel. 
In this activity, you will:
*convert temperatures between ºF and ºC *convert currency between countries
*convert measurements between the customaryUS units and international metric units.
Convert 20ºC to F.
ºF = (          ) + 32
ºF = (           x 1.8) + 32
20ºC =           ºF
Note: To take 5/9 of a 
number, you can multiply 
by 5, and then divide by 9.
A formula to convert between ºF and ºC are shown.
ºC = (         ºF – 32) x 5/9
ºC = (        ) x 5/9
41ºF =         ºC  
Convert 41ºF to ºC.
Converting between international currencies!
Convert $5 US dollars to Japanese yen.Use an exchange rate of 1 US dollar: 110 yen
US   Japan
x =                yen
x
=
110
1
Cross multiplyto solve a proportion! 
In a proportion,cross productsare equal.
Convert 61 Israeli new shekels to US dollars.Use an exchange rate of 1 US dollar: 4 Israeli new skekels
Israeli 
USD
x = $               US dollars
Round to the nearest cent.
x
4x = 
=
4
1
Converting Distances
3600 miles      1
Convert 3600 miles to km. Use 1 mile = 1.609 km.
Round to the nearest km. Do not use commas.
×
1.609
?
1
?
mi
km
≈              km
70 miles  1 hour
Convert 70 mph to kph. Use 1 mile = 1.609 km.
Do not round your answer.
×
mi
km
≈              kpm
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