Ordering Numbers
How do you convert from a fraction to a decimal?
Divide the numerator by the denominator (i.e. 3/4 is the same thing as 3 / 4 )
What is the first step when you have to order to compare a list of numbers?
Convert all to the same format (decimal or percent)
What is the percent proportion?
is/of = %/100
or
part/whole = %/100
Using the percent equation: 10.5 is what percent of 35?
30%
Solve the proportion by equivalent ratios:
3/4 = 12/x
x = 16
Convert 4/5 to a percent
80%
Order the numbers from smallest to biggest
1/2, 1/10, 1/5, 1/8, 1
1/10, 1/8, 1/5, 1/2, 1
Using the percent proportion: What percent is 8 of 12?
66.66%
Using the percent equation: What percent is 30 of 40?
75%
Solve the proportion by equivalent ratios:
1/2 = x/6
x=3
Convert 56% to a fraction
14/25
Order the numbers from smallest to biggest (write in the original format)
1/2, 0.6, 2/5, -1/3
-1/3, 2/5, 1/2, 0.6
Using the percent proportion: What number is 20% of 40?
8
Using the percent equation: 46 is 40% of what number?
115
Solve the proportion by algebra:
x/4 = 3/8
x=1.5
Convert 0.444 to a fraction
111/250
Order the numbers from smallest to biggest (write in original format)
6%, 1/16, 0.07, 1/2, 40%
6%, 1/16, 0.07, 40%, 1/2
Using the percent proportion: 42 is 33% of what number?
126
Using the percent equation: What number is 45% of 60?
27
Solve the proportion by cross multiplication:
4/x = 7/9
Round to the nearest tenth if necessary.
5.1
Convert 6/11 to a percent (round to the nearest hundredth)
54.55%
Order the number from smallest to biggest (remember write in the original format)
1/4, 3/8, 4%, 20%, 0.09, 0.39
4%, 0.09, 20%, 1/4, 3/8, 0.39
Mason won 80% of the games he pitched. If he pitched in 35 games, how many did he win?
28 games
Find the percent of sales tax on a food total. $6.75 is what percent of $33.75?
20%
Mrs. McAnally made 72 cookies in 4 hours. How many could she make in 7 hours?
126 cookies