Exploring Ratio and Proportion Concepts

What is a ratio?

• A comparison between two quantities using division

• A comparison between two quantities using subtraction

• A comparison between two quantities using addition

• A comparison between two quantities using multiplication

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How can a ratio be represented?

• a * b

• a - b

• a / b

• a + b

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the athlete to student ratio at Central High School?

• 0.35

• 0.18

• 0.28

• 0.52

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the simplified fraction form of the athlete to student ratio?

• 26 to 92.5

• 52 to 185

• 13 to 46.25

• 104 to 370

What is the sum of the angles in a triangle?

• 180 degrees

• 90 degrees

• 270 degrees

• 360 degrees

Tags

CCSS.8.G.A.5

If the ratio of the angles in a triangle is 5:12:13, what is the measure of the smallest angle?

• 30 degrees

• 60 degrees

• 78 degrees

• 72 degrees

Tags

CCSS.8.G.A.5

What is the first step in solving a proportion using cross multiplication?

• Add the two quantities

• Subtract the two quantities

• Cross multiply the quantities

• Multiply the two quantities

Tags

CCSS.7.RP.A.3

In the equation 6y = 163.8, what is the value of y?

• 26.3

• 28.3

• 25.3

• 27.3

Tags

CCSS.6.EE.B.7

How many students in Monique's school are predicted to have a dog or a cat?

• 432

• 342

• 522

• 612

What is the purpose of Monique's survey?

• To find out the number of students who like sports

• To predict the number of students with pets

• To calculate the average number of pets per student

• To determine the number of students who prefer cats over dogs

Tags

CCSS.RI.7.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.6.7

CCSS.RL.8.7