3.12 Review Ratios & Proportional Reasoning

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 60 cookies and 10 cupcakes leftover at a bake sale. What is the ratio of cupcakes to cookies? Your answer must be in simplest form.

• 6 to 1

• 1:6

• 30:5

• 14:56

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

What is the ratio of triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

Create an equivalent ratio table to solve the following problem. (See the picture to help you get started)

A recipe uses 2 cups of sugar for every 5 cups of flour. If Sally uses 10 cups of sugar, how many cups of flour should she use?

• 5 cups of flour

• 10 cups of flour

• 25 cups of flour

• 40 cups of flour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Solve for A in the table

• 5

• 20

• 45

• 100

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

What is the value of A in this table?

• 2

• 7

• 3

• 8

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Do the following ratios form a proportion?

• Yes

• No

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Solve the proportion:

• 15
• 5
• 10
• 12

Tags

CCSS.7.RP.A.2B

Hamburger meat sells for $6 for every 3 pounds. If Alicia buys 10 pounds of hamburger meat, how much will she pay?

• $30
• $20
• $60
• $10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The ratio of boys to girls is 3 to 2. If there are 12 boys, how many girls are there?

• 2

• 4

• 6

• 8

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3