Ratio
A bag of marbles contains 4 red
2:4
1:2
Which of the following is a rate?
A) 8 words: 9 words
B) 120 miles: 3 hours
C) 14 students in G period: 25 students in D period
B) 120 miles: 3 hours
Is 1:2 equivalent to 2:4?
Yes
When you write a unit rate as a fraction, what is always in the denominator?
Ms. Rensko counted 8 chickadees and 6 gold finches at her bird feeder.
What is the SIMPLIFIED ratio of gold finches to chickadees written in ratio form (with a colon)?
3:4
A bag of marbles contains 4 red, 2 green and 8 blue marbles.
Write the ratio of blue marbles to all marbles in fraction form AND write this ratio in simplest form.
8/14
4/7
Which one is NOT a rate?
A) $130/12 hours
B) 52 words/4 minutes
C) 4 red marbles/3 green marbles
C) 4 red marbles/3 green marbles
Is 3:4 equivalent to 5:8?
No
30 km per 4 hours ... What is the unit rate in kilometers per hour?
7.5 km / 1 hour
If a novel has 500 words on 2 pages, about how many woulds would you expect in the entire novel if it has 280 pages?
70,000 words
A classroom contains 24 sixth grade students, a teacher and an assistant teacher.
Write the SIMPLIFIED ratio of adults to all people in the classroom in words.
1 adult to 13 people in the classroom
Which car is traveling a faster rate of miles per hour?
Car A: 165 miles/3 hours
Car B: 208 miles/4 hours
Car A is traveling faster
A cookie recipe calls for using 2 tablespoons of vanilla and 5 cups of flour. You are making more cookies and use 6 tablespoons of vanilla.
How many cups of flour should you use?
15 cups of flour
Shaw's has a sale on soda: 3 bottles for $5
What is the price per bottle? Round the answer to the nearest hundredth.
$1.67 per bottle
Roger read 180 words per minute. How many words would he read at this rate in 1 hour?
10,800 words in 1 hour
A fruit basket contains 6 apples, 5 pears and 3 oranges.
What is the ratio of pears to apples? Write the ratio in all THREE forms.
5:6
5/6
5 pears to 6 apples
Simplify this rate:
60 correct answers in 5 minutes
12 correct answers per minute
A grocery store had 72 cans of soup delivered in 6 boxes. How many cans of the same soup would be delivered in 10 boxes?
120 cans of soup in 10 boxes
Which is a better deal for 16 inch pizzas? $68 for 4 pizzas or $35 for 2 pizzas.
$68 for 4 pizzas has a lower unit rate of $17 per pizza
Roger read 180 words per minute. How many words did he read per second?
3 words per second
A fruit basket contains 6 apples, 5 pears and 3 oranges.
What is the ratio of oranges to all pieces of fruit? Write the ratio in all THREE forms.
3:14
3/14
3 oranges to 14 pieces of fruit
Who earns more per hour?
Arthur earned $384 in 32 hours
Nemo earned $195 in 15 hours
Jamal paid $42.90 for 10 gallons of gas. How much would the next customer pay for 14 gallons of gas?
$60.06 for 14 gallons of gas
Which is the better deal? A package of 12 Sharpies for $12.97 or a package of 20 Sharpies for $21.80
The 12 Sharpie package is a better deal with a unit rate of $1.08 per pen.
The ratio of sixth graders to seventh graders in the play is 2:3. If there are 5 more seventh graders than sixth graders, how many seventh graders are in the play? How many sixth graders are in the play?
Hint: Use a tape diagram
There are 15 seventh graders and 10 sixth graders