Ratios
Equivalent Ratios
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Comparing Ratios
100
In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes.
What is 2/5 or 4/10
100
5 shovels of sand are mixed with 4 shovels of gravel to make cement. What is the number of shovels of gravel needed for 45 shovels of sand.
36 shovels of gravel
100
Are the ratios 14/35 and 20/50 equivalent?
Yes they are. Their common ratio is 2:5.
100
Of the 15 children at the park, 12 children are riding bikes and 3 children are riding scooters. What s the ratio
of bikes to children? WRITE 3 WAYS!
12 to 15
12/15
12:15
200
Lil blew up 7 balloons. Kathy blew up 5 balloons. What is the ratio of total balloons to Kathy's balloons?
12 to 5
200
Ari can walk 2 miles in 40 min. What is the amount of time it will take him to walk 4 miles.
80 min.
200
Write two equivalent ratios for 7:12
14 : 24, 21:36, 28:48
200
A car can travel 600 miles on 20 gallons of gas. What is the unit rate of miles per gallon for this car?
30 to 1
300
The recipe calls for 2 eggs, 8 cups of flour, 3 teaspoons of oil, and a pinch of salt. What is the ratio of cups of flour to eggs?
8:2 OR 4:1
300
Paul used 6 black tiles and 12 white tiles for a pattern. What is the ratio of black tiles to white tiles?
1:2 or 6:12
300
What is the Surface area of this shape?
224 in2
300
Which train traveling faster? Train A that travels 30 miles in 1/3 of an hour at a constant speed or Train B that travels 20 miles in 1/2 an hour at a constant speed. Create two tables (one for each train) to show why.
Train A Train B
30 : 1/3 20 : 1/2
90 : 1 (x3) 40 : 1 (x 2)
Train A is faster
400
There are 10 rabbits in a cage. The ratio of white rabbits to grey rabbits is 3:7. How many rabbits in total would there be if there were 14 grey rabbits?
20 rabbits
400
30 buses can carry 1500 people. What is the number of people that can be carried by 5 buses.
250 people
400
In a recent student government election, the ratio of students who voted for the winner to all the students who voted was 15:10. The number of students who voted was 50. How many votes did the winner get?
30 votes
400
Kamryn is reading a 47-page book. She read the first 20 pages in 35 minutes.
- If she continues to read at the same rate, will she be able to complete this book in under 1 hour?
No
20 Pages in 35 minutes is equivalent to 40 Pages in 70 minutes (x2). That means that she is already over her hour (60 minutes) and is not finished with 47 pages yet.
500
There are 10 mice in a cage. The ratio of pink mice to black mice is 2:3. How many black mice are in the cage?
6 mice
500
Ivy's Fresh Eggs transports its eggs in crates. It takes 2 trucks to carry 80 crates. What is the number of crates that 8 trucks can carry.
320 crates
500
In basketball, Katrina makes 12 out of every 20 free throws. Her coach claims that if she tries 42 free throws, she should make 18 of them. Is the coach's claim correct?
No the coach is not correct.
500
Lily uses 3 cups of flour with 2 teaspoons of salt for her cookies
Gavin uses 4 cups of flour with 3 teaspoons of salt for his cookies.
Which recipe will have a higher salt ratio?
Lily 1.5 cups : 1 teaspoon
Gavin 1 1/3 cups : 1 teaspoon
Lily will have higher salt ratio