Introducing Ratios

There is ____ mouse for every ____ cats

The ratio of legs to eyes is ____ to ____

There are ____ legs for every ____ eyes

Select all the ratios that are equivalent to 6:8.

• 4:3

• 3:4

• 12 :16

• 30:40

A particular shade of orange paint has 2 cups of yellow paint for every 3 cups of red paint. If you used 9 cups of red paint, how many cups of yellow paint would you need. Use the double number line diagram if needed.

• 12 cups

• 6 cups

• 4.5 cups

Here is a representation showing the amount of red and blue paint that make 2 batches of purple paint. To make the same shade of purple paint using 12 cups of red paint, how much blue paint would you need? Draw a copy of the double number line diagrams and fill in the tick marks to help if needed.

• 8 cups

• 6 cups

• 24 cups

• not enough information to determine

At the kennel, the ratio of cats to dogs is 4:5. There are 27 animals in all. Here is a tape diagram representing this ratio. What is the value of each small rectangle?

• 7

• 9

• 3

• 1

At the kennel, the ratio of cats to dogs is 4:5 . There are 27 animals in all. Here is a tape diagram representing this ratio. How many dogs are at the kennel?

• 15 dogs

• 5 dogs

• 9 dogs

• 20 dogs

At the kennel, the ratio of cats to dogs is 4:5. There are 27 animals in all. Here is a tape diagram representing this ratio. How many cats are at the kennel?

• 4 cats

• 5 cats

• 9 cats

• 12 cats

What is the ratio of dogs to cats? Select all true statements.

• 4:3

• 3 to 4

• There are 7 animals.

• for every 3 dogs, there are 4 cats