Apply Proportional Relationship

Does the following represent a proportional relationship?

There are 15 students who can be seated at 3 tables in the library. A total of 35 students can be seated at 7 tables.

• yes

• no

Tags

CCSS.7.RP.A.2A

On Saturday, Manny jogged 5 laps in 12 minutes. On Sunday, he jogged 8 laps in 18 minutes. is the relationship proportional?

• yes

• no

Tags

CCSS.7.RP.A.2A

A strand of hair grows at a constant rate of 12 inch per month. A different strand of hair grows at a constant rate of 4 inches per year.

Is the situation proportional ?

• no

• yes

Tags

CCSS.7.RP.A.2A

One blend of garden soil is 3 part minerals, 7 part peat moss, and 10 parts compost. Which of the mixtures below are in a proportional relationship with this blend?

• 6 ft³ minerals, 14 ft³ peat moss, 15 ft³ compost

• 6 ft³ minerals, 10 ft³ peat moss, 20 ft³ compost

• 6 ft³ minerals, 14 ft³ peat moss, 20 ft³ compost

• 4 ft³ minerals, 14 ft³ peat moss, 20 ft³ compost

Tags

CCSS.7.RP.A.2A

A pancake recipe calls for 3 cups of mix and 2 cups of milk. Tate uses 12 cups of pancake mix and 8 cups of milk to make pancakes for a large group. is the relationship proportional

• yes

• no

Tags

CCSS.7.RP.A.2A

During the spring, Mr. Salina's grass grows at a rate of 4.5 inches per week. During a rainy stretch in the summer, his grass grew a total of 16 inches in one month. is the relationship proportional?

• yes

• no

Tags

CCSS.7.RP.A.2A

The directions on a bottle of bubble bath say to use 3 capfuls of bubble solution for every 5 gallons of water. Antwan uses 12 capfuls of bubble solution to make a 20-gallon bubble bath. Is it proportional?

• yes

• no

Tags

CCSS.7.RP.A.2A

The lava flow from a volcanic eruption moves at a constant rate of 54 feet in 3 seconds. A second volcanic eruption produces lava flow that moves 105 feet in 5 seconds. Is the relationship proportional

• yes

• no

Tags

CCSS.7.RP.A.2A

A recipe for home made trail mix calls for 1 part dark chocolate, 8 parts dried fruit, and 12 parts nuts. Which of the mixtures below are in a proportional relationship with this blend?

• 4 oz dark chocolate, 30 oz dried fruit, 42 oz nuts

• 3 oz dark chocolate, 20 oz dried fruit, 36 oz nuts

• 3 oz dark chocolate, 24 oz dried fruit, 36 oz nuts

• 3 oz dark chocolate, 12 oz dried fruit, 18 oz nuts

Tags

CCSS.7.RP.A.2A

It took Mr. Sullivan 7 hours to drive a distance of 385 miles on a business trip. The following week he drove 165 miles in 3 hours. Is the relationship between the number of miles driven and the amount of time for the two trips a proportional relationship? Explain.

• yes because the two ratios are equal

• No, the two ratios are not equal

Tags

CCSS.7.RP.A.2A