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Ratios/Rates
Proportions
Customary Measurement
Decimals, Fractions, %
Cross Multiplication
100
A comparison of two quantities by division
What is a ratio
100
Do they form a proportion. 3/14, 9/42
What is Yes
100
A wrapping maching can wrap one candy bar in four seconds. How many bars can be wrapped in five minutes?
What is 300 bars
100
Convert 3/8 to a decimal and percent
What is 0.375 and 37.5%
100
x/2 = 4/8
1
200
Compares two quantities that have different units of measure
What is a rate
200
Do they form a proportion. 21/40, 3/5
What is No
200
The official length for a marathon race is 26.2 miles. How many yards long is a marathon?
What is 46112 yd
200
Convert 89% as a fraction and decimal
What is 89/100 and .89
200
Solve for x 1/3 = 4/x
12
300
Solve for the unit rate 54 miles/ 2 gallons
what is 27 miles per gallon
300
6/10 = J/45
What is 27
300
The fastest time for a marathon rate was set in 1999. The runner completed the race in 7542 seconds. What is the record in hours?
What is 2.095 hr
300
Convert .68 as a fraction and percent
What is 17/25 and 68%
300
Solve for x: 4/3 = 8/x
2
400
Write as a ratio: 42 pairs of hi-tops out of 56 pairs of sneakers?
What is 3/4
400
If you spend 1.5 hours per day doing homework, how many hours would you spend doing homework in 8 days?
What is 12 hours
400
2 gal = ____ cup
What is 32
400
Convert one and fifteen hundredths in all three forms.
What is 1.15, 115%, 1 and 3/20
400
Solve for x: 15/1 = x/.5
7.5
500
Write the unit rate for $375 saved in 5 years
What is $75 per year
500
The first three days as a salesperson, Wilma drove a total of 135 miles. At this rate, how far will she drive in 15 days?
What is 675 miles
500
72 fl oz = ___ cups
What is 9
500
Convert eighty two thousandths in all three forms.
What is 0.082, 41/500, and 8.2%
500
Solve for x: 12/x=.5
24