Setting Up your Conversion Equations
A jar of mayonnaise contains 32 oz. How would you convert this measure to cups using a conversion factor?
a. (32 oz/ 1) x ( 8 oz/ 1 cup)
b. (32 oz/ 1) x (1 cup/ 8 oz)
b. (32 oz/ 1) x (1 cup/ 8 oz)
How many millimeters are in 3 feet?
914.4 mm
The degree to which the experimental results agrees with the accepted value.
Accuracy
Precision
Accuracy
Convert 23 F to C.
-5
A person's height is 73 inches. How would you convert this height to feet using a conversion factor?
a. (73 in/ 1) x (12 in/ 1 ft)
b. (73 in / 1) x (1 ft/ 12 in)
b. (73 in / 1) x (1 ft/ 12 in)
An emu can run 31 miles per hour. What is the emu's speed in feet per second?
45.47 feet/sec
Add up all of the values and divide by the total number of values.
Accuracy
Precision
Median
Average
Average
A snake travels 4 inches per second. How would you convert this speed to feet per minute using conversion factors?
a. (4 in/ s) x (60s/1 min) x (12 in/ 1 ft)
b. (4 in/ s) x (1 min/60 sec) x ( 1 ft / 12 in)
c. (4 in/ s) x (60 s/ 1 min) x (1 ft/ 12 in)
c. (4 in/ s) x (60 s/ 1 min) x (1 ft/ 12 in)
How many minutes are in 1.4 days?
2016 minutes
Ratios of equivalent values
Conversion Factors
Convert 254 K to C.
-20.15
A cheetah runs 300 feet in 2.92 seconds. How could you convert the cheetah's speed to miles per hour?
a. (300 ft / 2.92 s) x (1 mi / 5280 ft) x (60 s / 1 min) x (60 min / 1 hr)
b. (300 ft / 2.92 s) x (5280 ft / 1 mile) x (60 s / 1 min) x (60 min / 1 hr)
c. (300 ft / 2.92 s) x (1 mi / 5280 ft) x (1 min / 60 seconds) x (60 min / 1 hr)
d. (300 ft / 2.92 s) x (1 mi / 5280 ft) x (60 s / 1 min) x (1 hr / 60 min)
a. (300 ft / 2.92 s) x (1 mi / 5280 ft) x (60 s / 1 min) x (60 min / 1 hr)
A tub can drain 24 gallons of water in 5 minutes. What is the rate in cups per second?
1.28 cups per second
Amount of heat in an object
Temperature
A gallon of gas costs $3.54. How would you convert this price to pints per cent?
a. (1 gal / $3.54) x ($1.00 / 100 cents) x (4 quarts / 1 gal) x (2 pints / 1 quart)
b. (1 gal / $3.54) x ($1.00 / 100 cents) x (4 quarts / 1 gal) x (1 quart / 2 pints)
c. (1 gal / $3.54) x (100 cents / $1.00) x (4 quarts / 1 gal) x (1 quart / 2 pints)
d. (1 gal / $3.54) x (100 cents / $1.00) x (1 gal / 4 quarts) x (1 quart / 2 pints)
a. (1 gal / $3.54) x ($1.00 / 100 cents) x (4 quarts / 1 gal) x (2 pints / 1 quart)
If the average baseball fast pitch is 92 miles per hour, what is that rate in feet per second?
134.93 feet/second
An exact quantity used for comparison
Standard
Convert 105 F to K
313
Jane is baking cookies for a party at work. She plans on making 8 batches of cookies, and each batch uses 6 oz of flour. If flour is $1.47 per pound, what is the total cost of the flour that Jane will be using? (1 pound = 16 oz)
$4.41