Unit Rates
Solve for the unit rate 54 miles/ 2 gallons
what is 27 miles per gallon
Solve for x x/8 = 2/4
x = 4
The scale factor for a map is 1 cm. = 200 km. On the map, Boston is 1.5 cm. from New York. How far is Boston from New York?
What is 300 km.?
There are 4 girls to every 1 boy in Mr. Sam's class. If the total class has 20 people. How many girls in total are in the class? Create a proportion.
What is 16 girls?
1 : 4 and ____ : 12
What is "3"
Write as a ratio: 42 pairs of hi-tops out of 56 pairs of sneakers?? Simplify
What is 3/4
Do they form a proportion. 3/14, 9/42
What is Yes
Jeff drew a model of an airplane with a wing of 5 in. He used a scale of 1 inch: 5 feet. Find the actual length of the wing.
What is 25 ft.?
Yellow shirts come in packs of 4 and white shirts come in packs of 3. If Sal buys 28 shirts, how many shirts of each color does he buy?
Yellow shirts: 16 White shirts: 12
5 : 10 and 15 : ____
What is "30"
Write the unit rate for $375 saved in 5 years
What is $75 per year
Are 6/8 and 9/12 proportional?
Yes proportional, 6 x 12 = 72, and 9 x 8 = 72
In a picture, a snake measures 4 in. long. The scale is 1 in. = 2 ft. Find the actual length of the snake.
What is 8 ft.?
For every 3 square feet that Lily plants, Josh plants 2 square feet. If Lily plants 12 square feet, how many square feet are planted in all?
What is 20 square feet?
3 : 7 and 30 : ____
What is "70"
A ball fell 144 ft in 3 seconds. How far did it fall in one second?
What is 48 ft per second.
Are they proportional- 12/20 and 3/10
Not proportional, 12 x 10 = 120, 20 x 3 = 60
Two towns are 20 miles apart. On a map with the scale 1 inch = 40 miles, how many inches apart are the towns?
What is 1/2 in.?
Katy works at a Subway. She can make 27 sandwiches in 3 hours. At that rate, how long does she have to work to make 81 sandwiches?
What is 9 hours?
9 : 3 and 36 : ____
What is "12"
Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts
What is $24 for 8 t-shirts (rate of $3 per shirt)
3 cups of nuts are needed to make 48 cookies. How many cookies will 5 cups of nuts make?
What is 80 cookies.
On Fiona's map, the distance from her office to her house measures 3.5 in. The map scale is 1 in. = 16 mi. If Fiona drives back and forth, how many total miles will her round trip be?
What is 112 miles?
Anna earns $12 in 3 hours. How much does she make in 5 hours?
What is $20
___ : 8 and 25 : 20
What is "10"