Math Ratios

A class of 32 students has 12 girls. What is the ratio of girls to boys?

• 3:5

• 5:8

• 5:3

• 8:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Jim can run a mile in 5 minutes and 50 seconds.

John can run a mile in 6 minutes and 40 seconds.

What is the ratio of Jim's time to John's time?

• 7:8

• 5.5 : 6.4

• 55:64

• 8:7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The distance between two towns on a map is 5 cm. If the real distance between the two towns is 25 km, what is the scale of the map?

• 1:500,000

• 1:5,000,000

• 1:50,000

• 1:5,000

Tags

CCSS.7.RP.A.2C

A real horse is 1.8 m high. A statue of the horse is 3 m high. What is the ratio of the height of the horse to the height of the statue?

• 3:5

• 2:3

• 6:1

• 5:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The tallest building in the world, the Burj Khalifa in Dubai, is 828 meters tall. A model of the building is made using the ratio 1 : 5,000.

How high is the model in centimeters (cm)?

• 16.56cm

• 1,656cm

• 165.6cm

• 1.656cm

Tags

CCSS.6.RP.A.3B

A recipe for pastry has flour, butter and water mixed in the ratio 24 : 8 : 3

If Fiona follows the recipe and uses 3 cups of flour, how many cups of butter should she use?

• 1 cup

∠AOC is a right angle which is 180° and the ratio ∠AOB : ∠BOC = 2 : 3

What is the size of angle BOC?

• 36°

• 54°

• 60°

• 45°

Tags

CCSS.4.MD.C.7

What is the ratio of yellow triangles to all triangles?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What fraction of the apples are orange?

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

The ratio of black cars to colored cars in the car park is 3 : 7

What fraction of the cars in the car park are black?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2