Identify Ratios
T-Charts/Double Number Lines
Ratios in Story Problems
Equivalent Ratios
100

Write me one ratio for this sentence: 

There are 11 swordfish to 6 angelfish

11 to 6

11:6

11/6

100

Make a t-chart or double number line for this situation:

The dog ate 2 treats.  How many treats would 2 dogs eat?

4 treats

100

Patrick has 2 black, 3 red, and 5 white toy cars. What is the ratio of red toy cars to all the toy cars?

3 to 10

3:10

3/10

100

Are these equivalent?

3/8 and 12/32

Yes, 3x4=12 and 8x4=32.

200

Write one ratio for this sentence:


It costs $20 for 2 dogs to be groomed.

20 to 2

20:2

20/2

200

Make a t-chart or double number line for this situation:

To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts?

8 tablets

200

John runs 18 miles in 6 hours. At that rate, how many miles can John run per hour?

3 miles per hour

200

There are 9 guppies to 5 goldfish. Is 18 guppies to 25 goldfish an equivalent ratio?

No - 9x2 = 18 guppies, but 5x5 = 25 goldfish.  They did not multiply by the same number.

300

Write this ratio in two different ways:

If there are 5 boys and 7 girls, write the ratio of girls to boys.

7 to 5 

7:5

7/5

300

Make a t-chart or double number line for this situation:

A soup that serves 16 people calls for 4 cups of chicken broth. How many cups of chicken broth would you need to make an identical recipe that serves 32 people?


8 cups of chicken broth

300

When they go to the grocery store together, Michael buys seven boxes of cookies and Julia buys 2 boxes of cookies. What is the ratio of the number of boxes Julia purchased to the total number of boxes bought at the grocery store?

2 to 9

2:9

2/9

300

Solve for R:


30/R = 6/7

R=35

400

Write this ratio in 3 ways:

Ten soccer players were going to a soccer tournament with their three coaches. What is the ratio of coaches to players?

3 to 10

3:10

3/10

400

Make a t-chart or double number line for this situation:

For a recipe, Brutus uses 4 cups of sugar for every 5 cups of flour. Add two more rows to your t-chart.

Answers may vary, but they must multiply the sugar and flour by the same amount.

400

Cesar goes to the mall and buys 2 pairs of sneakers for $150. How much would 6 pairs of sneakers cost at that same rate?

$450 for 6 pairs of sneakers

400

Solve for R:


63/R = 9/11

R=77

500

Write this ratio in 3 ways:

Five teams were going to a showcase with 8 players per team. What is the ratio of players to teams?

8 to 5

8:5

8/5

500

Make a t-chart or double number line for this situation:

Each child eats 5 strawberries.  Include three rows in your chart.

Answers may vary.

500

Tommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in simplest form of red to yellow LEGOS?

Red/Yellow = 3/6, but both can be divided by 3. So in simplest form you get 1/2.

500

It costs $20 for 2 dogs to be groomed. Simplify this ratio to simplest terms.

20 and 2 can both be divided by 2. This means that it costs $10 to groom 1 dog.


10/1