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Matthias is $1.8$ meters tall. His son is $89$ centimeters tall. How much taller, in centimeters, is Matthias than his son?
Stavros is $1.6$ meters tall. His sister is $95$ centimeters tall. How much taller, in centimeters, is Stavros than his sister?
65 centimeters
A typical dove weighs $345$ grams. A typical duck weighs $1.2$ kilograms. What is the difference, in grams, of the weights of a duck and a dove?
Concetta had a $\text{2-kilogram}$ bag of flour. She used $180$ grams of flour to make biscotti. How many kilograms of flour are left in the bag?
1.82 kilograms
Harry mailed $5$ packages that weighed $420$ grams each. What was the total weight of the packages in kilograms?
One glass of orange juice provides $560$ milligrams of potassium. Linda drinks one glass of orange juice every morning. How many grams of potassium does Linda get from her orange juice in $30$ days?
16.8 grams
Jonas drinks $200$ milliliters of water $8$ times a day. How many liters of water does Jonas drink in a day?
One serving of whole grain sandwich bread provides $6$ grams of protein. How many milligrams of protein are provided by $7$ servings of whole grain sandwich bread?
42,000 milligrams
Convert Between U.S. and Metric Systems
In the following exercises, make the unit conversions. Round to the nearest tenth.
Bill is $75$ inches tall. Convert his height to centimeters.
Frankie is $42$ inches tall. Convert his height to centimeters.
106.7 centimeters
Marcus passed a football $24$ yards. Convert the pass length to meters.
Connie bought $9$ yards of fabric to make drapes. Convert the fabric length to meters.
8.2 meters
Each American throws out an average of $\mathrm{1,650}$ pounds of garbage per year. Convert this weight to kilograms.
An average American will throw away $\mathrm{90,000}$ pounds of trash over his or her lifetime. Convert this weight to kilograms.
41,500 kilograms
A $\text{5K}$ run is $5$ kilometers long. Convert this length to miles.
Kathryn is $1.6$ meters tall. Convert her height to feet.
5.2 feet
Dawn’s suitcase weighed $20$ kilograms. Convert the weight to pounds.
Jackson’s backpack weighs $15$ kilograms. Convert the weight to pounds.
33 pounds
Ozzie put $14$ gallons of gas in his truck. Convert the volume to liters.
Bernard bought $8$ gallons of paint. Convert the volume to liters.
30.4 liters
Convert between Fahrenheit and Celsius
In the following exercises, convert the Fahrenheit temperature to degrees Celsius. Round to the nearest tenth.
$86\text{\xb0F}$
$104\text{\xb0F}$
$72\text{\xb0F}$
$0\text{\xb0F}$
In the following exercises, convert the Celsius temperatures to degrees Fahrenheit. Round to the nearest tenth.
$5\text{\xb0C}$
$\mathrm{-10}\text{\xb0C}$
$22\text{\xb0C}$
$43\text{\xb0C}$
Nutrition Julian drinks one can of soda every day. Each can of soda contains $40$ grams of sugar. How many kilograms of sugar does Julian get from soda in $1$ year?
Reflectors The reflectors in each lane-marking stripe on a highway are spaced $16$ yards apart. How many reflectors are needed for a one-mile-long stretch of highway?
110 reflectors
Some people think that $65\text{\xb0}$ to $75\text{\xb0}$ Fahrenheit is the ideal temperature range.
ⓐ What is your ideal temperature range? Why do you think so?
ⓑ Convert your ideal temperatures from Fahrenheit to Celsius.
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