Writing Ratios
There are 10 white marbles and 3 blue marbles. What is the ratio of white to blue marbles?
10:3
Write 1 equivalent ratio to:
8:3
(show your work)
16:6
24:9
40:15
(ms.nunu will tell you if it's correct)
what does 'per' mean?
per means "for each" or "1"
In a pond, the ratio of ducks to swans is 4:5.
If there are a total of 36 birds (ducks and swans) in the pond, how many are ducks?
hint: use a ratio table. answer in a sentence.
There are 16 ducks in the pond.
What is the missing term that will make the ratios equivalent? 2 : 4 = ____ : 32
16
Justin mixed 8 cups of corn flour with 2 pints of liquid glue to make play clay.
Write a sentence describing the ratio of corn flour and glue.
"the ratio of________ to _______ is ______ to _______."
The ratio of cups of corn flour to pints of liquid glue is 8 to 2.
2:3 and 6:9
Yes! 6:9 is triple (x3) of 2:3
A pack of 4 pencils costs $2. How much is the price per pencil?
$0.50 per pencil.
The ratio of students wearing sneakers to crocs is 5:6.
If there are a total of 44 students in the class, how many of them are wearing sneakers?
hint: use a ratio table. answer in a sentence.
There are 20 students wearing sneakers.
hint: there are two!
UC Merced (Bachelor's degree)
UC Berkeley (Master's Degree)
There are 2 red blocks, 3 orange blocks, and 4 black blocks. What is the ratio of orange blocks to black blocks?
3:4
What is the missing term that will make the ratios equivalent?
10 / 13 = ____ / 52
40
4 movie tickets cost $48. At this rate, what is the cost per ticket? Write your answer in a sentence.
It costs $12 per ticket.
There are 2 girls for ever 6 boys in school. The school contains 240 total students. How many total boys are in the school?
hint: use a ratio table. write your answer in a sentence.
There are a total of 180 boys in the school.
What is the capital of California?
Sacramento
Zoe has a basket of 8 apples and 5 oranges. What is the ratio of oranges to apples?
"the ratio of _________ to _______ is _____:_____."
To make a batch of cookies, I need 2 cups of sugar to 3 cups of flour.
I want to make 2 batches of cookies. How many cups of sugar and flour do I need? Answer in a sentence.
For 2 batches of cookies, you will need 4 cups of sugar to 6 cups of flour.
3 ice cream cones cost $7.50. What is the price for 1 ice cream cone? What about 5 ice cream cones? Answer in a sentence.
Ms. Nunu gave each student in the class 4 pencils and 3 erasers. In total, Ms. Nunu gave out 91 pencils and erasers. How many pencils did she pass out?
hint: use a ratio table. answer in a sentence.
Ms. Nunu passed out 52 pencils.
What is Ms. Nunu's favorite pokemon?
Dragonite
TRUE or FALSE: You can always make equivalent ratios by adding or subtracting the same number on both parts of a ratio.
False
Maynor is making pancakes using a pancake mix and water. In his recipe, the ratio of cups of pancake mix to cups of water is 3:2.
If Maynor wants to make 5 batches of pancakes, how many cups of pancake mix does he need? Answer in a sentence.
Maynor would need 15 cups of pancake mix to make 5 batches of pancakes.
Store A sells 5 granola bars for $4.50. Store B sells 6 granola bars for $5.40. What is the unit price at each store? Are the prices different?
Store A: $0.90 per granola bar.
Store B: $0.90 per granola bar.
The prices are the same.
A bag contains 120 marbles. Some are black and the rest are red. There are 19 black marbles for every red marble. How many black marbles are in the bag?
hint: use a ratio table. answer using a sentence.
There are 114 black marbles in the bag.
What is the third planet from the sun?
Earth