Proportion and Ratios

If there are 2 cats and 5 dogs what is the ratio of cats to dogs?

• 2:5

• 5:2

• 10:1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

• 5

• 15

• 4

Tags

CCSS.7.RP.A.2B

What is the ratio of strawberries to the total if there are 20 strawberries and 35 grapes?

• 20:35

• 35:20

• 20:55

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Unit rates are....

• ratios whereby the amount given is per 1 unit

• ratios whereby the amount given is per 2 units

• ratios whereby the amount given is per 10 units

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Is the pair of ratios proportional?

• yes

• no

Tags

CCSS.7.RP.A.2A

Are the two ratios proportional?

• YES

• NO

Tags

CCSS.7.RP.A.2A

The table shows the weight in pounds of objects on earth compared to objects on the moon.  If an object on earth weighs 42 lbs, what is its weight on the moon?

• 7 lbs

• 12 lbs

• 84 lbs

• 252 lbs

Tags

CCSS.7.RP.A.2D

An elevator moves at a constant rate of 18 feet in 3 seconds. A second elevator moves at a constant rate of 40 feet in 5 seconds.

The situation ​ ​ (a)   a proportional relationship because ​ (b)  

• does not represent

• the ratios are different

• represents

• the ratios are equivalent

Tags

CCSS.7.RP.A.2A

Find the unit rate for 10 apples that cost $2.00

• $20.00 per apple

• $0.20 per apple

• $0.50 per apple

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Two ratios that are equal are called

• problems

• fractions

• proportions

Tags

CCSS.7.RP.A.2A