Ratios
Equivalent Ratios
Which is Better?
Random
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

Which is better- 20 car washes for $100 or 5 car washes for $45?

20 for $100 because each car wash is $5, compared to each car wash being $9.

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

Which is better-12 oz. bag of chips for $3.36 or a 3 oz. bag for $0.75?

3 oz bag is a better price because 1 oz is $0.25 compared to $0.28

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

.A store had 7 green chairs for $141.54 or 5 brown chairs for $101. Which color chair has a lower unit price?

The brown chair has a lower unit price ($20.20, compared to $20.22)

300
The ratio of cups of peas to cups of carrots is 3 to 2. Write 3 equivalent ratios.
6 to 4, 12 to 8, 15 to 10
400
There are 10 rabbits in a cage. The ratio of white rabbits to grey rabbits is 3:7. How many white rabbits are in the cage?
3 white rabbits
400

3 buses can carry 150 people. What is the number of people that can be carried by 5 buses.

50 people

400

Martha sells apples in 5 lb. bags for $3.80, or Steve sells apples in 3 lb. bags for $2.25.

The 3 lb bag because it is $0.75, compared to $0.76.

400

In basketball, Katrina makes 12 out of every 18 free throws.If she attempted 39 free throws, how many should she make?

She would make 26 baskets. 

 

500
There are 5 mice in a cage. The ratio of pink mice to black mice is 2:3. How many black mice are in the cage?
3 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

At a Book exhibition, vendor 1 was selling a 5 books set for $42.00. Vendor 2 was selling a 6 books set for $50.58. Which vendor had the better deal?

Vendor 1 had the better deal because each book was $8.40, compared to vendor 2 whose books were $8.43.

500

You are making containers of marbles for a game using the ratio 5 parts blue, 8 parts green and 2 parts red. If you need to make 45 cups of marbles, how many of each color marble will you need?

Total parts: 15 

Each part is x 3 because 15 x 3= 45

5 x 3= 15 blue

8 x 3= 24 green

2 x 3= 6 red

15 + 24 + 6 = 45

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