Graphs; Ratio & Proportion

The ratio of red counters to blue counters is 3 : 1

What fraction of the counters are blue?

• ¹/₄

• ³/₄

• ¹/₃

• ³/₁

Tags

CCSS.6.NS.A.1

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

In a box of sweets ⁷/₁₀ of the sweets are red. The rest are purple.

What is the ratio of red sweets to purple sweets?

• 3 : 7

• 7 : 3

• 3 : 10

• 7 : 10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Any ratio can be written in the form 1:n

Write 5:25 in the form 1:n

Simplify 400 m : 0.8 km : 60 m

Sarah and Najia are making a cake. They mix 450 grams of butter with 550 g of sugar and 1.1 kg of flour.

Sarah says, "The ratio of butter to sugar to flour is 4:5:11."

Najia says: "The ratio of butter to sugar to flour is 45:55:11."

Who is correct?

• Sarah

• Najia

• Neither

• Both

Simplify: 0.5 : 2.5

The point (10 , y) lies on the line 3y = 10x + 11.

What is the value of y?

Just give your number. Do not write sentences.

Does the point (-2,10) lie on the line y = 3x + 4

• Yes

• No

• The question does not provide enough information

The ratio of boys to girls in a swimming club is 3:5.

Which of these numbers of children could be in the swimming club?

• 29

• 35

• 68

• 72

• 82

A car and a lorry use petrol.

The graph shows the amount of petrol left in each vehicle.

How much petrol is in the lorry initially?

• 25

• 40

• None of the above