Proportions and Ratios Test

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

Which is NOT a way to represent a ratio?

• As a fraction
• Using the word "to"
• With a colon (:)
• None.  All of these are ways to write a ratio.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4
• 2/3
• 1/3
• 10/16

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The cookie jar has six chocolate chip cookies and five oatmeal cookies. What is the ratio of oatmeal to chocolate chip cookies?

• 6:5
• 5:6
• 6:11
• 6:11

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the simplest form of 8/16?

• 1.2
• 1/2
• 2/1
• 1/.2

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.NS.A.1

Simplify the ratio- 4 to 24

• 4 to 18

• 1 to 6

• 2 to 12

• 1 to 12

Simplify the ratio of

20 to 25

• 1 to 5

• 2 to 5

• 3 to 5

• 4 to 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a proportion?

• When two ratios can be simplified
• When two ratios are equivalent and show the same value
• When two ratios have the exact same numbers
• When two ratios can be multiplied by 2

Tags

CCSS.7.RP.A.2A

Solve for x

• x=6
• x =1/6
• x = 7
• x=9

Tags

CCSS.7.RP.A.2B

Solve for x 

• x = 1/10
• x = 10
• x = 4
• x = 5

Tags

CCSS.7.RP.A.2C