Show:
Vocabulary
Ratios
Rates
Proportions
Random
100
What is a ratio?
A ratio compares two or more values.
100
In a classroom there are 12 boys and 17 girls, what is the ratio of boys to girls?
12 to 17
100
A pencil company used 60 grams of rubber to make 10 pencils, which is a rate of grams to pencils?
60/10
100
Are the ratios 2/3 and 6/9 proportional?
Yes
200
What is a rate?
A ratio that compares two quantities measured in different units.
200
A mixed bag of fruit has 5 apples, 8 pears, and 3 oranges. What is the ratio of oranges to apples?
3 to 5
200
Oliver earned $12 for mowing 3 lawns. What is the rate earned per lawn mowed?
$4 per lawn
200
Are the ratios 6/7 and 3/7 proportional?
No
200
What is the room number for this classroom?
111
300
What is a proportion?
A proportion says that two ratios are equivalent.
300
What are the three ways to write a ratio?
As a fraction, with a colon, or with the word "to". Ex. 1/2 1:2 1 to 2
300
If a printer can make 180 copies per hour, how many copies can it make per minute?
3 per minute
300
Do the ratios 12/24 and 3/4 form a proportion?
No
300
Ben the camel drinks tea (so classy!). He drinks 350 liters of tea every 2 days. How many liters of tea does Ben drink every 3 days?
525 liters
400
What is a unit rate?
A unit rate is the ratio of two measurements in which the second term is 1 unit.
400
What is the ratio 8:48 simplified?
1:6
400
An ice company charged $12 for 4 bags of ice. If a convenience store bought 22 bags of ice, how much would it have cost them?
$66
400
Solve the proportion: 5/18 = x/36
x=10
400
A classroom has 52 students but 15 are missing. What is the ratio of students present to total students?
37:52
500
What are equivalent fraction?
Equivalent fractions describe fractions that are equal.
500
Generate two equivalent ratios for 12/15
The ratios 4/5 and 24/30 are two examples.
500
A pet store was selling mice 5 for $10. If they ended up selling 2 mice, how much money would they have earned?
$4
500
Solve the proportion: 10/42 = 5/x
x=21
500
REVIEW! Convert 132% into a decimal and fraction.
1.32 and 132/100