Ratios
There are 8 stars, 12 circles, and 4 triangles. What is the ratio of stars to circles?
8:12
Maya makes 32 keychains in 4 hours. How many keychains does she make per hour?
8 per hour
Is 6:4 equivalent to 3:2?
YES (dividing each side by 2)
There are 8 apples in a bowl of 20 pieces of fruit. What percent are apples?
40%
A car travels 150 miles at 50 miles per hour. Will the trip take 2 hours?
No, the trip will take 3 hours.
Which situation represents a ratio of 3 to 1?
A: 3 red marbles for every blue marble
B: 1 red marble for every 3 blue marbles
C: 3 red marbles for every 4 blue marbles
A: 3 red marbles for every blue marble
A cyclist travels 1,440 meters in 60 seconds. What is the rate in meters per second?
24 meters per second
Is 9:12 equivalent to 3:5?
NO
What is 25% of 80?
20
A train travels 180 miles at 90 miles per hour. How long does the trip take?
2 hours
For every 5 dogs, there are 2 cats. What is the ratio of cats to dogs?
2 to 5
A runner takes 42 seconds to run 300 meters. How many seconds does it take to run 1 meter?
0.14 seconds
Which ratio is equivalent to 10:15?
A. 3:2
B. 5:3
C. 2:3
D. 4:5
C. 2:3
A family has traveled 24 miles, which is 60% of the trip. How long is the whole trip?
40 miles
You can buy 6 granola bars for $4.50 or 4 for $3.20. Which is the better buy per bar?
6 for $4.50 ($0.75 each, compared with $0.80 each)
A bowl has 18 green grapes and 6 purple grapes. What is the ratio of purple grapes to green grapes?
6:18
Andre recently rode his bike 1600 meters in 86 seconds. Select the correct unit rate for Andre’s bike ride in meters per second.
A: 0.05
B: 1.86
C: 5.375
D: 18.6
D: 18.6 meters per second
Which ratios are equivalent to 12:8? Select all that apply.
A. 3:2
B. 6:5
C. 24:16
D. 36:24
A, C, D
A jacket costs $50 and is discounted by 20%. How much is the discount?
$10
A scooter travels 25 miles in 4 hours. If it is moving at a constant speed, how many miles does it travel in one hour?
6.25 miles
There are 15 squares and 25 circles. What is the ratio of squares to all shapes?
15:40
A car travels 195 miles in 3 hours. What is the unit rate in miles per hour?
65 miles per hour
Write two different ratios that are equivalent to 18:24
Some options:
3:4, 6:8, 9:12, 36:48, 180:240, 1800:2400
A school has 200 students. If 35% ride the bus, how many students ride the bus?
70 students
A store sells 10 pencils for $2.50 or 6 pencils for $1.20. Which is the better buy per pencil?
6 pencils for $1.20 ($0.20 each, compared with $0.25 each)