Writing Ratios
There are 15 boys and 18 girls. What is the ratio of girls to students?
18:33
Each book has 20 pages. How many pages are in 3 books?
60 pages
Fred has 20 gumballs and 15 gumdrops for his gingerbread house. If he maintains that ratio and uses 16 gumballs, how many gumdrops would he need?
12 gumdrops
Are these ratios equivalent?
2:10 and 1:9
no
Simplify the ratio to lowest terms:
12:24
1:2
Jim watches 5 minutes of TV for every 1 minute he talks to his parents. If Jim talked to his parents for 10 minutes, how long did he watch TV?
50 minutes
Ricky is at the bakery shop when he sees that 6 pastries cost $30. If Ricky spent $40 on pastries, how many did he buy?
8 pastries
Fill in the blank to make equivalent ratios:
2.5:7
7.5: ___
21
There are 5 jars with 4 fireflies in each. There is 1 jar with 3 lady bugs. What is the ratio of lady bugs to fireflies?
3:20
Maria makes necklaces using string and beads. She can make 4 necklaces using 8 feet of string and 40 beads. How much string and beads would she need to make 8 necklaces?
16 ft of string
80 beads
An object weighs 40 lbs on the moon. The same object weighs 240 lbs. How much would an 18 lb Earth weight object weigh on the moon?
3 pounds
A graph shows the hiking distance in miles over the time hiked in hours. If the ordered pair (3,9) is on the graph, how fast is the person hiking in miles per hour?
3 mph
Out of 15 shapes, 12 are blue. What is the ratio of shapes that are not blue to the total number of shapes in simplest form?
1:5
Frank can do 25 push-ups in 5 minutes. At this rate how many push-ups does Frank do in 3 minutes?
15 push-ups
Mike has a ratio of toy cars to toy trucks of 4:18. If he has a total of 66 toy cars and trucks, how many toy cars does he have?
12 toy cars
Mike and Sally are mixing red and yellow paint to make an orange color: Mike uses 3 pints of red paint for every 2 pints of yellow paint, and Sally uses 4 pints of red paint for every 3 pints of yellow paint. Who's mixture would be more red?
Mike's is more red