Lesson 2.1 - 2.4 Quiz

Match the following:

• ratio

• a comparison of two quantities using divison

• proportion

• price per item

• unit price

• Two quantities are in a __________ if al the ratios that relate the quantities are equivalent.

• unit rate

• compares x units of one quantity to 1 unit of another quantity.

  EX: miles per hour

• proportional relationship

• an equation the represents equal ratios

Tags

CCSS.Math.Content.7.RP.A

CCSS.Math.Content.7.RP.A.2

CCSS.Math.Content.7.RP.A.2a

CCSS.Math.Content.7.RP.A.2b

CCSS.Math.Content.7.RP.A.2c

Luis rides his bicycle 3/4 mile in 5 minutes along the bike trail. Assuming he rides at a constant rate, what is his speed, in miles per hour? (HINT: ___ MPH)

Tags

CCSS.6.NS.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

There are 120 calories in a 3/4 cup serving of cereal. How many calories are in 6 cups of cereal?

• 120

• 234

• 960

• 1122

Tags

CCSS.6.EE.B.7

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

At the local dairy farm, Kareem buys a 32-oz container of yogurt for $2.56. Jonah buys a 6-oz container of yogurt for $0.48. Are the cost, y, in dollars and the amount of yogurt, x, proportional?

• yes

• no

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Danielle earns $36.80 for 4 hours of yard work. MacKenzie earns $50.40 for 6 hours of yardwork. Who earns more per hour?​ (a)   How much more?​ ​ (b)  

• Danielle
• $0.80 more per hour
• MacKenzie
• $30 more per hour
• Steven
• Mary
• $0.40 more per hour
• $2.50 more per hour

Tags

CCSS.6.NS.B.2

CCSS.6.NS.B.3

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The relationship between x and y is proportional. When x is 3, y is 51. What is x when y is 204?

• 45

• 12

• 16

• 89

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

CCSS.6.RP.A.1

CCSS.6.RP.A.3

A recipe calls for 1 and a half (1/2) teaspoons of cinnamon to make 2 dozen oatmeal cookies. How many teaspoons of cinnamon are needed to make 60 oatmeal cookies?

(HINT: The answer is a fraction)

Mathematical Equivalence

ON

Tags

CCSS.6.NS.A.1

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Yosef typed a 36-word paragraph in 2/3 minutes. What is his typing speed, in words per minute? (HINT: Answer is a whole number)

Mathematical Equivalence

ON

Tags

CCSS.6.NS.B.2

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Harper knows he is 50 yards from school. The map on his phone shows that the school is 3/4 inches from his current location. If Harper’s current location is 3 inches from home on the same map, how far is Harper from home in yards?

Mathematical Equivalence

ON

Tags

CCSS.5.MD.A.1

A group of 12 students is deciding whether to go to the science

center or the zoo. Science center tickets are 3 for $36.75 and zoo

tickets are 4 for $51.

How much will a group of 12 students save by choosing the

science center? ​ (a)  

• $6
• $5
• $12
• $45
• $50
• $120

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.B.3

CCSS.6.RP.A.3