Ratio
What is the definition of a ratio?
A ratio is an ordered pair of numbers that are not both zero.
In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes.
What is 2:5 or 4:10
If Mr. Perez uses 3 cups of vinegar for 1 batch, how many cups of vinegar does he use for 5 batches?
15 cups
The local animal shelter has 6 bags of dog toys and 8 bags of cat toys.
There are 5 toys in each bag of pet toys. What is the ratio of the total number of dog toys to the total number of cat toys?
30:40
30 to 40
A fruit basket has 6 bananas, 8 apples, 5 oranges, and 1 lemon. What is the ratio of total fruits to apples?
20: 8
or
20 to 8
Sana receives 10 texts, 3 voicemails, and 8 emails.
What is the ratio of texts to emails?
10:8
10 to 8
The local animal shelter has 8 bags of dog toys and 10 bags of cat toys.
Write a ratio that relates the number of bags of dog toys to the number of bags of cat toys.
8:10
8 to 10
A pet store has 10 cockatiels and 15 parakeets.
Use ratio language to describe the relationship between the number of cockatiels and the number of parakeets.
For every 10 cockatiels, there are 15 parakeets.
A fruit basket has 6 bananas, 8 apples, 5 oranges, and 1 lemon. What is the ratio of bananas to oranges?
6:5
or
6 to 5
Mr. Perez can make 1 batch of household cleaner by using 3 cups of vinegar and 2 cups of water. He makes 2 batches of the cleaner. How many cups of water does Mr. Perez use?
4 cups
Yuna thinks that the ratio 4 : 3 is equivalent to the ratio 10 : 9 because 6 + 4 = 10 and 6 + 3 = 9. What is Yuna’s mistake? What can she do to find an equivalent ratio?
The correct way to compare the ratios is to cross-multiply and check if the products are equal. She can multiply both sides by the same number to get the equivalent ratio.
A fruit basket has 6 bananas, 8 apples, 5 oranges, and 1 lemon.
What is the ratio of apples to total apples and oranges?
8:13
or
8 to 13
After receiving a new shipment, the grocery store has a total of 88 boxes of pasta and boxes of rice. The ratio of the number of boxes of pasta to the number of boxes of rice is still 7 : 4.
Now, the grocery store has _____ boxes of rice.
32
For every 4 laps that Leo runs, Tyler walks 2 laps. How many laps does Leo run if Tyler walks 10 laps?
20 laps
Solve: If there are 6 bananas and 8 apples, what is the ratio of bananas to apples in simplest form?
3:4
or
3 to 4
Toby uses 3 cups of milk to make 4 batches of pancakes. How many cups of milk does he need to make 1 batch of pancakes?
3/4 or .75