Ratio Basics
If there are 4 dogs and 6 cats. Write the ratios in three different forms IN SIMPLEST FORM.
4/6=2/3
4:6=2:3
4 to 6= 2 to 3
Write an equivalent ratio to 4:6 in three different forms.
example: 8:12, 8/12, 8 to 12
120 miles in 2 hours. How many miles per hour?
120/2=60 so you can travel 60 miles in 1 hour
There are 2 dogs for every 3 cats. If there are 12 cats, how many dogs are there?
8 dogs
Write a ratio to compare student desk to chairs in the classroom. write it in the three different forms
18: 25
18/25
18 to 25
There are 15 boys and 20 girls in a class. Write the ratio of boys to total students in three different forms.
15: 35
15/35
15 to 35
Fill in the blank: 3:5 = __:20
12: 20
60 words typed in 3 minutes. How many words per minute?
20 words in 1 minute
A school has a ratio of 5 teachers to 120 students. How many students per teacher?
24 students per teacher
A farmer plants 4 rows of corn for every 3 rows of beans. If there are 24 rows of beans, how many corn rows?
18 rows of corn
A bag has 12 red marbles, 15 green marbles, and 8 blue marbles. Write the ratio of green to total marbles in all three forms.
15: 35
15/35
15 to 35
If 8 pencils cost $4, how much do 24 pencils cost?
$12 (24/8=3 so 4X3=12)
45 dollars for 9 notebooks. What is the price per notebook?
5 dollars per notebook
You buy 3 sandwiches for $15. How much for 7 sandwiches?
7 sandwiches cost $35
A movie theater sells 60 tickets in 5 minutes. How many in 1 hour?
720 tickets in 1 hour
Express the ratio 24:36 in simplest form in all three forms.
4: 6
4/6
4 to 6
A team wins 7 games for every 2 losses. How many wins if they lose 10 games?
A runner completes 5 miles in 40 minutes. How many miles per minute?
0.125 minutes
A bus travels 240 miles in 4 hours. At this rate, how far in 9 hours?
540 miles in 9 hours
A car uses 15 gallons of gas for 300 miles. What’s the miles per gallon? How many miles in 45 gallons?
0.05 miles per gallon
2.25 miles per gallon if there are 45 gallons
A recipe calls for 9 cups of flour and 6 cups of sugar. Write three different ratios to compare flour to sugar.
9: 6
9/6
9 to 6
The ratio of teachers to students is 1:25. How many teachers are needed for 300 students?
12 teachers will be needed for this fieldtrip. (300/25=12 so 1 x 12=12)
A 3-pack of T-shirts costs $21.75. A single T-shirt costs $7.49. Which option has the lower price per shirt?
3 pack is the cheaper option it cost $7.25 for 1 shirt
A factory makes 450 bottles in 15 hours. How many in 1 hour? In 25 hours?
1 hour: 30 bottles
25 hours: 750 bottles
A smoothie recipe uses 2 cups of strawberries for every 5 cups of bananas. If you have 30 cups of bananas, how many cups of strawberries are needed?
12 cups of strawberries