Proportion Definitions
Fractions can be described as "Part over this"
What is Whole?
If 1 inch = 2.54 cm, it's the amount of cm for 10 inches.
What is 25.4 cm?
Fred uses 2 sugar packets for every 15 fl oz. of coffee he makes. He will need this many packets for 60 fl oz of coffee.
What is 8 sugar packets?
A population that changed from 500 people to 600 people had this percentage of increase.
80 middle-schoolers go out for the basketball team. 15% of them make the team. This many students made the team.
What is 12 students?
Percent is always out of this number.
What is 100?
If 1 kg = 2.2 pounds, it is the amount of pounds for 7 kg.
What is 15.4 pounds?
Johnny spends 20 minutes doing homework, and then 30 minutes playing video games every night after dinner. After 2 hours of homework, he will have spent this amount of time playing video games.
What is 180 minutes
(or 3 hours)
The price of a video game changing from $80 to $40 represents this percent change.
What is 50% decrease?
There are 950 students at Scobee Middle School. 50% of them ride the bus. This many students ride the bus.
What is 475 students?
The percent change formula can be described as [this] / [this]
Change / Original
If 1 meter = 3.28 ft, it's the amount of ft in 12 meters.
What is 39.36 ft?
It takes Simona 45 minutes to read 20 pages of her book. At this rate, it will take her this long to read the entire book of 130 pages.
What is 292.5 minutes
or
What is 4 hours, 52 minutes and 30 seconds?
A class size that goes from 20 students to 28 students represents this percent change.
What is a 40% increase?
Danny is challenged to eat 45 hot dogs in a hot dog eating contest. After he has eaten 18 of them, he has eaten this percentage of the total challenge.
What is 40%
To find the change in a percent proportion, you need to do this. (Operation)
What is Subtraction?
If 5 miles = 8 km, it's the amount of miles in 64 km.
What is 40 miles?
In a standard M&Ms bag, there are (on average) 13 red M&M's for every 5 blue M&Ms. At this rate, there will be (about) this many Red M&Ms when there are 48 blue M&Ms.
What is 125?
Rene's first 9-weeks grade was an 80, and his second 9-Weeks grade was an 92, resulting in this percent change.
What is a 15% increase?
Anika collects $60 toward the purchase of a new cell phone. At that point, she has raised 24% of the cost of the cell phone. This is the cost of the cell phone.
What is $250?
Describe the percent proportion. (____ over ____ = _____ over ____)
What is Part over Whole = % over 100?
If 5 miles = 8 km, it's the amount of km in 42 miles.
What is 67.2 km?
On the 7th Grade STAAR Mathematics test, there are 4 griddable questions out of a total of 45 total questions. At this rate, there would be approximately this many griddable questions in a 200 question STAAR test.
What is 18 questions?
The price of gas per gallon yesterday was $1.60 yesterday, and today's price is $1.56, representing this percent change.
What is 2.5%?
Jayden answers 57 questions correctly and earns a 95% on a test with this many questions.
What is 60 questions?