Big Ideas Ratios

What is the ratio of bananas to apples?

• 2 : 14

• 2 to 7

• 5 : 7

• 7 to 2

• 

The ratio of red pens to blue pens in a package is 2:5. If there are 40 blue pens in the package, how many red pens are in the package?

What is a Ratio?

• A Denominator

• A comparison of two quantities

• A Mixed Number

• Order of Operations

• 

How many ways can you write a ratio?

• 1

• 2

• 3

• 4

• 

The tape diagram represents the ratio of your monthly allowance to your friend's monthly allowance. The monthly allowance TOTAL is $48 How much is YOUR FRIEND'S allowance?

A bag contains counters. 40% of the counters are red and the rest are yellow.

Write down the ratio of red counters:yellow counters. Give your answer in the form 1:n.

• 1:4

• 4:6

• 1:1.5

• 1:6

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

• 3 : 8

• 3 : 5

• 2 : 8

• 2 : 5

A cookie recipe calls for 3 cups of flour and 2 cups of chocolate chips. What is the ratio of chocolate chips to flour?

• 3 : 2

• 3 to 2

• 6 : 4

• 2 : 3

Write the ratio of TUBAS to FLUTES in three ways!