Proportions Ratios

Corresponding sides in similar figures are proportional

• True

• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The triangles are similar. Solve for x.

• 7

• 2

• 4

• 8

Tags

CCSS.HSG.SRT.A.2

What is the zoom factor or scale factor from small to big of these 2 figures?

Tags

CCSS.7.G.A.1

What is the zoom factor or scale factor from the large rectangle to the small rectangle?

• JLK

• KJL

• JKL

• LKJ

Tags

CCSS.HSG.SRT.A.2

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

Charlie Browns Christmas tree is 18 inches tall. The Christmas tree at Mr.Bass' house is 8 ft tall. What is the ratio of Charlie Browns tree to Mr. Bass' Tree?

• 18/8

• 8/18

• 3/16

• 16/3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

• 12:18

• 3:2

• 30:18

• 18:7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 80 students in Mr. Bass’ classes.  The ratio of boys to girls is 2 : 3.
How many boys are in the classes?
How many girls?

• Boys: 32
  Girls: 48

• Boys: 48
  Girls: 32

• Boys: 5
  Girls: 15

• Boys: 15
  Girls: 5

Solve for x

• x=1

• x=3

• x=3/5

• x=2

Tags

CCSS.7.EE.B.4A