Ratios
There are 10 white marbles and 3 blue marbles. What is the ratio of white to blue marbles? (write 3 ways)
10:3, 10 to 3, 10/3
$19.50 for 3 shirts
$6.50 per shirt
The ratio of boys to girls is 1:2, if there's 12 boys how many girls are there?
24
What is the missing term that will make the ratios equivalent? 2 : 4 = ____ : 32
16
250 grams to centigrams
25,000 centigrams
There are 10 white marbles and 3 blue marbles. What is the ratio of white to all marbles? (write 3 ways)
10:13, 10 to 13, 10/13
112 desks in 4 classrooms
28 desks per classroom
The ratio of apples to oranges is 2:3, if there's 30 oranges how many apples are there?
20
Write 2 equivalent ratios to 1/2.
Many answers are possible
6 gallons is how many quarts
24 quarts
Define unit rate
How much for 1 of something
$2.16 for 3 oranges
$0.72 per orange
A teacher had 21 red pens. If the ratio of red to blue pens is 3 : 1 , how many total pens did he have?
28 total pens
15 : 18 = x : 30
x = 25
45 pounds is how many ounces
720 ounces
Define rate
A ratio with 2 different units
Which is the better deal:
48 ounces for $2.07 or 32 ounces for $1.64
48 oz for 2.07 = $.04 per oz
A mechanic can fix a ratio of cars to trucks at 4 : 3. If he fixed 42 total vehicles, how many cars did he fix?
24 cars
2 : 4 = x : 7
x = 3.5
The speed of a wave is 25 meters in 10 seconds. How many meters does the wave travel in 7 minutes?
1050 meters
What is a comparison of 2 quantities by division?
Ratio
You earn $44.55 in 9 hours. Your friend earns $51 in 12 hours. How much do you and your friend earn together if you each work 20 hours?
$184
An ice cream factory makes 220 quarts of ice cream in 10 hours. How many quarts of ice cream could be made in 24 hours?
528 quarts
34 : 19 = 17 : x
x = 9.5
32 salads