Recognising and representing proportional relationships between quantities

Identify the means in the proportion:

2:5=6:15

• 2,15

• 5,6

• 2,6

• 5,15

Tags

CCSS.7.RP.A.2A

Mahn collects stamps. He currently has 7 stamps and plans to collect 3 more each year. Which statement best describes Mahn's situation?

• Mahn's situation is proportional because he will be collecting stamps at a constant rate

• Mahn's situation is proportional because he has already collected 7 stamps and plans to collect 3 more each year

• Mahn's situation is non-proportional because he has already collected 7 stamps and plans to collect 3 more each year

• Mahn's situation is non-porportional becasue he will be collecting stamps at a constant rate

Tags

CCSS.7.RP.A.2A

Are the following fractions proportional?

 $\frac{7}{8}$  = $\frac{15}{17}$  

• Yes

• No

Tags

CCSS.7.RP.A.2A

Determine if the following ratio form a proportion:

25cm : 1m and Rs. 40 : Rs 160

• Yes

• No

Tags

CCSS.7.RP.A.2A

What does it mean to be PROPORTIONAL?

• A constant ratio or unit rate of 2 quantities

• The relationship between two ratios with a constant rate or ratio

• A comparison between two quantities

• The relationship between 1 unit of quantity to another

Tags

CCSS.7.RP.A.2A

Find the value of the unknown TERM in the direct proportion.

5:15=n:9

Tags

CCSS.7.RP.A.2A

Which best describes the graph represented in this table?

•  proportional
• non-proportional

Tags

CCSS.7.RP.A.2A

do the ratios form a proportion?

• yes

• no

Tags

CCSS.7.RP.A.2A

Are the following ratios proportional?

5 : 1 and 20 : 4

• Yes

• No

Tags

CCSS.7.RP.A.2A

Is the pair of ratios proportional?

• yes

• no

Tags

CCSS.7.RP.A.2A