Unit Rate
What is a unit rate?
a rate that compares a quantity. to one unit
What is a ratio?
The number that can be used to express one quantity as a fraction of the other ones.
How do you divide fractions?
Keep-change-flip
What is improper fraction
6/5,9/4 etc
What is mixed fraction
5 1/2, 8 3/4 etc
Give examples of a unit rate
3ft per 1 yd
12in per 1 ft
$4.15 per 1 gal
There are 15 girls and 9 boys in Emily’s class.
What is the Ratio of girls to boys?
5/3
4/5 divide by 2/15
3
What is 9/4 divided by 3/2
3/4
What is 9 4/5 divide by 3/2
98/15
Matty planted flowers in her garden. She planted 12 petunias, 12 Marigolds, 9 geraniums, and 4 rose bushes.
What is the unit rate of geraniums to rose bushes
2.25
Matty planted flowers in her garden. She planted 12 petunias, 12 Marigolds, 9 geraniums, and 4 rose bushes.
What is the simplest ratio of marigolds to geraniums?
4/3
what is 4/7 divide by 2/3
6/7
What is 6/5 divide by 5/2
12/25
what is 8 3/4 divide by 1/2
17.5
There are 15 girls and 9 boys in Emily’s class.
What is the unit rate of girls to boys?
1.6
Matty planted flowers in her garden. She planted 12 petunias, 12 Marigolds, 9 geraniums, and 4 rose bushes.
What is the simplest ratio of rose to geraniums?
4/9
What is 10/25 divide by 5/6
60/125
What is 27/3 divide by 3/9
27
A class is using beans to model a bath problem. Each student needs 3/8 cup of beans. Joelle has a container with 4 1/2 cups of beans in it. To how many students can she supply beans?
12
In a basket there 15 grapes 20 pears and 64 oranges
What is the unit for pears to grapes
1.33
A large fruit salad contains 12 apples, 14 pears, 64 grapes, and 2 pints of
berries. What is the ratio apples to pears?
3/16
Kara is in charge of the parachute activity at the school fair. Unfortunately, it rained earlier today, and only three fifths of the activity area is dry enough to use. Each student needs two fifteenths of the space to drop a parachute. How many students can drop their parachute at once?
9/2
What is 4/5 divide 9/3
4/15
How many stripes of ribbon 1 3/4 feet long can be cut from ribbon that is 5 1/4 feet long?
3