Identify Ratios
Write me one ratio for this sentence:
There are 11 swordfish to 6 angelfish
11 to 6
11:6
11/6
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
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
Are these equivalent?
3/8 and 12/32
Yes, 3x4=12 and 8x4=32.
Write one ratio for this sentence:
It costs $20 for 2 dogs to be groomed.
20 to 2
20:2
20/2
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
John runs 18 miles in 6 hours. At that rate, how many miles can John run per hour?
3 miles per hour
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.
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
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
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
Solve for R:
30/R = 6/7
R=35
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
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.
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
Solve for R:
63/R = 9/11
R=77
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
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.
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.
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