Writing Ratios
Equivalent Ratios
Unit Rates
Conversions
Grab Bag
100
If there are 7 boys and 10 girls in a classroom, what is the ratio of boys to girls?
7 to 10, 7:10, 7/10
100
If a runner travels at a speed of 5 miles per hour for 4 hours, how far will she travel?
20 miles
100
True or False? Is 7 miles in 4 minutes a unit rate?
False
100
Sebastian counted his heartbeats after his soccer game. In 12 seconds, he counted 52 heartbeats. At this rate, what was his number of heartbeats per minute? (60 seconds = 1 minute)
260 heartbeats per minute
100
The weekly pizza order for Talbot includes 40 cheese pizzas and 35 pepperoni pizzas. What is the ratio of the number of cheese pizzas to the number of pepperoni pizzas?
8 to 7, 8:7, 8/7
200
If there are 20 boys and 16 girls in line, what is the ratio of boys to girls?
5 to 4, 5:4, 5/4
200
There are 12 teachers and 120 students in 5th grade at the Green School. What is the ratio of teachers to students?
1/10
200
If Ms. Barnett eats 18 cookies in 3 days, at this rate, how many cookies does she eat per day?
6 cookies per day
200
A construction worker found a piece of rope that is 5 yards long. What is the total number of inches of rope that the construction has? (1 yard = 36 inches)
180 inches
200
Ms. Barnett uses 3½ cups of chocolate to make 3 cakes. At this rate, what is the total number of cups of chocolate that she will use to make 4 cakes?
4.64 cups
300
If 5 people polled like Coke and 2 people polled like Pepsi, what is the ratio of Pepsi drinkers to Coke drinkers?
2 to 5, 2:5, 2/5
300
Mckenzie has been given 6 minutes to solve 30 math problems. What is the minimum rate she can work in order to finish on time?
5 problems per minute
300
Which is the better buy: 8 mints for $1.84 or 13 mints for $3.50?
8 mints for $1.84
300
Ms. Barnett counted her heartbeats after a run. In 10 seconds, she counted 45 heartbeats. At this rate, what was her number of heartbeats per minute? (60 seconds = 1 minute)
270 heartbeats per second
300
Mrs. Duarte wrote 14 progress reports in 3 hours. At this rate, how many progress reports can Mrs. Duarte make in 5½ hours?
25.63 reports
400
If 54 people like KitKat and 81 people polled like Snickers, what is the ratio of people who like KitKat to people who like Snickers?
2 to 3, 2:3, 2 to 3
400
When a motorcycle wheel turns 7 revolutions, a car wheel turns 11 revolutions. When the motorcycle wheel turns 49 revolutions, how many revolutions does the car wheel turn?
77 revolutions
400
Which is the better buy: a pizza slice for $3.75 or 8 slices of pizza for $18.00?
8 slices for $18.00
400
Ms. Santos found a piece of ribbon that was 4 yards long. What is the total number of inches of ribbon? (1 yard = 36 inches)
144 inches
400
A small swimming pool will hold 90 gallons. What flow rate, in gallons per second, is required to fill the tank in 30 seconds?
3 gallons per second
500
If 20 people polled like Coke and 15 people polled like Pepsi, what is the ratio of Coke drinkers to total people polled?
4 to 7, 4:7, 4/7
500
The Talbot band has 48 members. The ratio of girls to boys in the band is 5:7. How many members are girls?
2o girls
500
If Ms. Griggs eats 8.5 pies in 3 weeks, at this rate, how many pies will she eat in 5 weeks?
14.16 pies
500
Ms. Beckman counted her heartbeats after a run. In 15 seconds, she counted 55 heartbeats. At this rate, what was her number of heartbeats per minute? (60 seconds = 1 minute)
220 heartbeats per minute
500
Ms. Barnett eats an average of 8 bowls of cereal per week. At this rate, what is the total number of weeks it will take for her to eat 328 bowls?
41 weeks
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