Unit 3

What is a proportion?

• Slices of pizza

• Monkeys

• Two equivalent ratios

• Math?!

Tags

CCSS.7.RP.A.2A

What is a ratio?

• Math?!

• Comparing two quantities

• Equivalent Ratio

• Comparing one quantity

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A wood stove burns 4 same-sized logs in 2 hours. How many logs does the stove burn in 8 hours?

Tags

CCSS.3.OA.A.3

How do you solve problems with proportions?

Write a __________ that includes one unknown quantity.

• List

• Formula

• Proportion

Tags

CCSS.7.RP.A.2C

How do you solve problems with proportions?

Find equivalent __________ to find the unknown quantity.

• Ratio or Rates

• Formula

• Equations

Find the unknown value in the proportion.

 $\frac{3}{4\ }$  =  $\frac{?}{12}$  

Tags

CCSS.7.RP.A.2B

Tags

CCSS.8.EE.B.5

Tags

CCSS.6.RP.A.3B

Mr. Smith grades 11 papers in 5 minutes. Ms. Brown grades 8 papers in 4 minutes. Who will grade more papers in 20 minutes?

Tags

CCSS.6.RP.A.3B

Is math the best class?

• YES!

• No way