Ratio Basics
Write the ratio of 3 cats to 5 dogs.
3:5
Write two ratios equivalent to 2:3.
Answers may vary
Complete the table:
2:5 = 4:?
10
A bag has 2 red marbles and 3 blue marbles. Write the ratio of red to blue.
2:3
True or False: 10:15 and 20:30 are equivalent ratios.
True
The ratio of boys to girls is 2:3. If there are 10 boys, how many girls are there?
15 girls
Is 4:6 equivalent to 6:9?
Fill in the missing number:
3:7 = 9:?
21
A map scale is 1 inch = 50 miles. How many miles is 4 inches?
200 inches
Write the ratio of 36 minutes to 1 hour in simplest form.
3:5
Write 12:8 in simplest form.
6:4 or 3:2
If the ratio is 7:4, what is the equivalent ratio when both numbers are doubled?
14:8
A table shows:
1 → 4,
2 → 8,
3 → 12.
What is the ratio?
1:4
A car travels 180 miles using 6 gallons of gas. What is the unit rate (miles per gallon)?
30 miles per gallon
The ratio of dogs to cats is 7:3. If there are 35 dogs, how many cats are there?
15 cats
A recipe calls for 2 cups of sugar and 5 cups of flour. Write the ratio of sugar to flour.
2:5
Complete the equivalent ratio: 9:12 = __:16.
12
Create a ratio table for the ratio 5:2.
Answers may vary
At a school, the ratio of teachers to students is 1:25. How many students are there if there are 12 teachers?
300 students
A bike shop sells 9 bikes for every 4 scooters. If they sell 45 bikes, how many scooters do they sell?
20 scooters
There are 24 students in class. The ratio of boys to girls is 5:7. How many boys are there?
10 boys
A ribbon is cut into pieces in the ratio 3:5. If the shorter piece is 18 cm, how long is the longer piece?
30 cm
In a table, 6 apples cost $9. How much do 14 apples cost at the same rate?
$21
A recipe needs a 4:1 ratio of yellow to red paint. If you have 12 cups of yellow, how much red paint is needed?
3 cups of red paint
The scale of a drawing is 1 cm = 2 m. If a line on the drawing is 15 cm, what is the actual length in meters?
30 m