Basics of Ratios and Rates
Write a ratio in THREE different notations for the number of legs to noses on a tiger.
4 to 1
4:1
4/1
4 for every 1
In 3 hours, Nana made 72 cookies.
Find the unit rate in cookies per hour.
24 cookies per hour
The ratio of black squares to green circles on a bulletin board is 4:7. If there are 28 green circles on the board, how many black squares are there?
16 black squares
A car travels at a rate of 165 miles in 3 hours. At this rate, how far will the car travel in 9 hours?
495 miles
What percent of 76 is 19?
25%
A bouquet has 3 lilies, 9 roses, and 2 tulips. What is the ratio of roses to flowers?
9:14
Find the unit rate in servings per package (see Google Slides).
4.5 servings per package
A florist puts 3 lilies for every 4 roses in her bouquets. If she makes a bouquet with 12 lilies, how many roses will be in the bouquet?
16 roses
In 4 minutes, a student read 500 words. At this rate, how many words will the student read in 6 minutes?
750 words
3 is 12% of what number?
25
Simplify this ratio: 14:35
2:5
Find the unit price:
6 bananas cost $3
$0.50 per banana
There are 3 states that have a city named Christmas in them. Name one of these states.
Christmas, Michigan
Christmas, Florida
A helicopter travels at a constant speed of 112 miles per hour. How long would it take the helicopter to travel 400 miles? Round your answer to the nearest hundredth.
3.57 hours
For the seventh grade class election, 28 people voted for Malaki to be president. 7 students voted for their other classmates. What percent of the votes did Malaki receive?
80%
Find the missing value for x in the ratio table below:
4 | 20 | 44
5 | x | 55
x=25
8 Red Delicious apples cost $6.80
6 Granny Smith apples $5.52
Which apple brand offers a better deal?
Red Delicious
For every 14 children's tickets the Band Boosters sell, they also sell 3 adult tickets. If they sell a total of 119 tickets, how many adult tickets did they sell?
21 adult tickets
Brandon learned 48 math facts in 20 minutes.
In 15 minutes, Julie learned 33 math facts.
Who learned math facts at a quicker rate?
Brandon
Finish the Lyric:
On the second day of Christmas, my true love gave to me...
2 turtle doves
Describe what makes a rate different than other ratios.
Rates compare two quantities that have different units. They're compared using the word PER.
Find the unit rate in miles away from home per hour (see Google Slides)
46 miles away per hour
For every 5 blue cars a dealership sells, it also sells 8 silver cars. If the dealership sold a total of 585 blue and silver cars last quarter, how many more silver cars than blue cars did they sell?
135 more silver cars
Jessica can make 3/8 of a bracelet in an hour. How many bracelets will she be able to make in 4 hours?
1.5 bracelets
Bananas are on sale for 15% off this week at Aldi. If a bunch of bananas typically costs $6, what is the price of bananas this week?
$5.10