Recognising and representing proportional relationships between quantities

Is this table proportional?

• Yes
• No

Is this table Proportional?

• Yes, because the COP is different each time.

• Yes, because the COP is always X9.

• No, because the numbers are all different.

• No, because the COP changes each time.

The height of a building is proportional to the number of floors. The figure shows the height of a building with 7 floors.

How high is each floor of the building?

Is the table proportional?

• Yes

• No

Which of the following are in proportion?

• 2,3,20,30

• 3,4,15,18

• 1,3,11,22

• 2,5,40,80

Do the ratios form a proportion?

 $\frac{2}{5}and\ \frac{100}{250}$  

• Yes

• No

Is this table proportional?

• Yes
• No

Are the following fractions proportional?

 $\frac{5}{8}$  = $\frac{12}{16}$  

• Yes

• No

Select ALL of the statements that are true for the table

• Proportional

• Not Proportional

• K= 9

• All of the constants are different

Apples are on sale for $3.12

Is the total cost of the apples proportional to the total mass?

• No

• yes