Ratios
There are 22 boys in a classroom and 14 girls. Write the ratio of girls to boys.
14:22
Mr. McBride bought two batting gloves for $12.00. What is the unit price per batting glove?
$6.00
Decimals to Percents 0.04
4%
What is a percent always out of?
100
Equivalent Ratios
Ratios that are Equal
There are 2 red blocks, 3 orange blocks, and 4 black blocks. What is the black blocks to all?
4:9
In 8 hours, Mike Wazowski can scare 32 kids. How many can he scare in 1 hour?
He scares 4 kids per hour.
Decimals to Percents .4
What is 40%
What is 10% of 80
8
What does the numerator of a fraction tell us? (Part or whole #)
Part #
--------
Whole #
Write 2 equivalent ratios to 40 : 60.
2:3 4:6
6:9 8:12
10:15 12:18
14:21 16:24
18:27 20:30
22:33 24:36
A package of 24 pencils costs $3.60. What is the cost per pencil?
$0.15
Write 4/5 as a percent.
80%
What is 18% of 82
14.76
Percent
out of 100
A lemonade mix calls for 2 tablespoons of mix for every 3 cups of water. If the container has 24 tablespoons of mix, then how many cups of water are needed?
36 cups of water
The local grocery store sells a 4-pound chicken for $9.00. What is the price per pound?
$2.25
2/10 or 1/5
18 is 60% of what number?
30
What number do we use for Unit Rate?
1
A florist used 200 lilies to make 8 identical flower arrangements. How many lilies would the florist need to make 6 identical arrangements?
150 lilies
Wrigley can jog 2,000 feet in 4 minutes. If he jogs at the same rate, how many feet can he jog in 8 minutes?
4,000 feet
Write 7/8 as a decimal and a percent.
0.875 and 87.5%
There are 55 pairs of shoes for sale. 40% of those shoes are black. How many pairs of shoes are NOT black?
33 shoes
Independent and Dependent Variable
Independent is what is depended on (x)
Dependent depends on the independent quantity. (y)