Ratios
Rates
Percent
Division
Multiplication
Fractions 1
Fractions 2
Fractions 3
100
What is a ratio?
A ratio is a comparison between two quantities.
100
What is a rate?
A rate is a comparison between two quantities with different units.
100
A percent is a rate per _____.
A percent is a rate per 100.
100
45,840÷ 15= _____
3,056
100
31x16=_____
496
100
Convert the improper fraction to a mixed number.
41/5
8 1/5
100
3÷1/4=
12
100
A pizza restaurant used its final 1/2 of a liter of pizza sauce to make some pizzas. They put 1/6 of a liter of sauce on each pizza. How many pizzas did they make?
They made 3 pizzas.
1/2÷1/6=3
200
A movie theater sold 26 child tickets. The other 24 tickets it sold were adult tickets. What is the ratio of the number of adult tickets to the number of child tickets?
24 to 26
24:26
24/26
200
What is a unit rate?
A unit rate is a rate per one unit.
200
Identify the percent represented by the 10x10 grid.
15%
200
1,972÷ 17=_____
116
200
617x337=_____
207,929
200
Convert the improper fraction to a mixed number.
52/7
7 3/7
200
4÷2/5=
10
200
Sally bought some cans of paint and 1/2 of a liter of special paint additive formulated to reduce mildew. Before painting her house, she used all of the additive to put 1/4 of a liter of additive in each can. How many cans of paint did Sally buy?
2 cans of paint.
1/2÷1/4=2
300
23 of Zack's dominoes are standing and the other 13 dominoes have fallen over. What is the ratio of the number of fallen dominoes to the number of dominoes still standing?
13 to 23
13:23
13/23
300
Evan can run 4 kilometers in 20 minutes. At this rate, how far can Evan run in 1 minute?
0.2 km per min
300
Identify the percent represented by the bar diagram.
65%
300
5.215÷ 0.25=_____
20.86
300
165.5x0.014=_____
2.317
300
Convert the improper fraction to a mixed number.
11/4
2 3/4
300
5/6÷5/12=
2
300
Every day, the Logan Pet Store uses 1 3/8 bags of dog food to feed the dogs. How many days will 5 1/2 bags of dog food last?
4 days
5 1/2÷1 3/8=4
400
There are 33 empty parking spots and 17 full parking spots in the parking garage. What is the ratio of the number of empty parking spots to the total number of parking spots?
33 to 50
33:50
33/50
400
While working out, Tamika's heart beats approximately 30 times in 20 seconds. At this rate, how many times does Tamika's heart beat per second?
1.5 beats per second
400
The graph shows the music preferences of children at a community center. Suppose there are 300 children at the community center. How many children prefer hip-hop?
66 children
400
12.85÷ 0.01=_____
1,285
400
22.12x1.255=_____
27.7606
400
Convert the mixed number to an improper fraction.
10 12/17
182/17
400
3/7÷1/14=
6
400
A restaurant chef made 7 1/5 jars of pasta sauce. Each serving of pasta requires 9/10 of a jar of sauce. How many servings of pasta will the chef be able to prepare using the sauce?
8 servings
7 1/5÷9/10=8
500
Lydia is having a barbecue. Two containers of juice serve 10 people. How many containers of juice should she get to serve 40 people at the barbecue?
8 containers
500
Ms. Cooper uses 3 pounds of veggie mixture to make 12 veggie patties of the same size. How many pounds of veggie mixture does she use per patty?
0.25 lb per veggie patty
500
There are 52 seats on a train. 39 of the seats are empty. What percentage of the seats on the train are empty?
75%
500
30.489÷ 0.006=_____
5,081.5
500
0.005x84.68
0.4234
500
Convert the mixed number to an improper fraction.
5 63/79
458/79
500
2 4/5÷4=
7/10
500
A cookie factory uses 1 1/6 barrels of oatmeal in each batch of cookies. The factory used 4 2/3 barrels of oatmeal yesterday. How many batches of cookies did the factory make?
4 batches
4 2/3÷1 1/6=4
600
The school record for the greatest number of jumping jacks in a row is 84 in 4 minutes. If the record for jumping jacks made is a constant ratio, how many jumping jacks did the record holder make in 1 minute?
21 jumping jacks
600
DeAndre biked 3 kilometers in 10 minutes. He biked at a constant speed. How many kilometers did DeAndre bike per minute?
0.3 km per min
600
At Escobar Middle School, 5% of sixth-grade students, which is 20 students, are enrolled in both art and choir. How many sixth-grade students are there in total?
400 sixth-grade students
600
25.6476÷ 0.0176=_____
1,457.25
600
0.045x1.2=_____
0.054
600
Convert the mixed number to an improper fraction.
7 5/7
54/7
600
4 1/2÷2 7/10=
1 2/3
600
The penguins at the zoo eat 2 1/3 pounds of fish each day. The zookeeper bought 4 2/3 pounds of fish. How many days will the fish last?
2 days
4 2/3÷2 1/3=2