Ratios
Equivalent Ratios
Double Number Lines
100

Lin makes sparkling lemonade by mixing 12 cups of lemonade and 16 cups of sparkling water.

What is the ratio of sparkling water to lemonade? 

12:16

100

In a recipe for sparkling orange juice, the ratio of cups of orange juice to cups of sparkling water is 2 : 1.

Write the ratio of cups of orange juice to cups of sparkling water that represents a double batch. Show your thinking.

4:2

100

A song has 54 beats per minute and is 3 minutes long. Shawn says the song has 18 total beats. Is Shawn correct? Write yes or no. 

Explain your thinking. Hint: Consider using a double number line to help with your thinking.

No, Shawn did 54 divided by 3 instead of 54 times 3.

200

There are 9 bananas, 4 apples, and 3 plums in a fruit basket.

The ratio of bananas to apples is ___:___.

The ratio of plums to apples is ___:___.

9:4

3:4

200

When Elena makes one batch of hummingbird food, she mixes 4 cups of water with 1 cup of sugar, which is enough for one hummingbird feeder.

If Elena has 5 hummingbird feeders in her yard, what is the ratio of cups of water to cups of sugar that she would use? Show your thinking.

20:5

300

Malik estimates that there will need to be 3 pizzas for every 7 kids at his party. Select all the statements that represent this ratio.

A. The ratio of kids to pizzas is 7 : 3.

B. The ratio of pizzas to kids is 3 : 7.

C. The ratio of kids to pizzas is 3 : 7.

D. The ratio of pizzas to kids is 7 : 3.

E. For every 7 kids, there needs to be 3 pizzas.

A, B, E

300

Koharu’s pie dough recipe uses 6 ounces of flour, 4 ounces of butter, and 2 ounces of water.

Koharu wants to double the recipe to make 2 pies. How much of each ingredient does Koharu need?

12 ounces of flour, 8 ounces of butter, and 4 ounces of water.

400

In a bag of marbles, there are 8 red marbles, 6 white marbles, and 4 blue marbles.

For every ___ white marbles, there ___ are blue marbles.

For every 2 red marbles, there is 1 _____.

6 white marbles and 4 blue marbles (or 3 and 2);

Blue Marble

400

A bakery uses a ratio of 3 cups of water for every 5 cups of flour to bake bread. Will a recipe that uses 6 cups of water and 8 cups of flour taste the same?

No, 6:8 is not an equivalent ratio to 3:5.

500

Select all of the ratios that are equivalent to 4 : 5.

A. 3 : 4        B. 8 : 10

C. 1 : 2.5     D. 9 : 10       E. 20 : 25

B and E