Rate, Ratio and Percent

A constant ratio or unit rate of two variable quantities

• proportional

• constant of proportionality

• proportion

• ratio

Tags

CCSS.7.RP.A.2A

y=kx

• Proportional relationships can be represented by an equation in this form where k is the constant of proportionality

• A constant ratio or unit rate of two variable quantities.

• The ratios of related terms are not equal

• An equation stating that two ratios or rates are equivalent

Tags

CCSS.7.RP.A.2C

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A class survey showed that 8 out of 25 students plan to travel over Thanksgiving break. How many students out of the 400 students in the entire school would you expect to be traveling over the break?

• 32 students

• 128 students

• 320 students

• 96 students

Tags

CCSS.7.RP.A.3

If 15 chocolate cakes will serve 120 people, how many cakes are needed for 152 people?

• 18 cakes

• 8 cakes

• 24 cakes

• 19 cakes

Tags

CCSS.6.RP.A.3B

In Amalie's home town, the ratio of cars to people is 420 to 1000. What fraction shows this ratio in simplest form?

In a bouquet of​ flowers, there are 7 daisies and 19 roses. Write the ratio of daisies to roses in three different ways.

• 19 to 7, 19:7, 19/7

• 19 to 7, 7:19, 7/19

• 7 to 19, 7:19, 7/19

• 7 to 19, 19:7, 19/7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of total shapes to circles?

• 3 : 4

• 4 : 3

• 7 : 3

• 3 : 7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

$279 for 9 concert tickets. Find the cost per ticket.

• $31

• $39

• $2,511

• $34

Tags

CCSS.4.NBT.B.6

336 dimples in one golf ball. At this rate, 2016 dimples in x golf balls.

• 7

• 12

• 6

• 30

Tags

CCSS.6.RP.A.3B