Ratios
Percents
Conversions
Circles
Vocabulary
100
2 4 _____ = ______ 5 x
What is 10?
100
50% of 80 is this.
What is 40?
100
This is the fraction form of 25%
What is one fourth?
100
Pi*r^2 is the formula to find this.
What is the formula for the area of a circle?
100
The distance from the center of a circle to one edge.
What is the radius?
200
If Jake has 1 cat to every 3 dogs and he has 12 dogs, then he has this many cats.
What is 4
200
32% of 143 is this.
What is 45.76?
200
This is the decimal form of 62%
What is 0.62?
200
A circle with a radius of 4 inches would have this circumference.
What is 25.12 inches?
200
This number has decimals that go on forever, but is approximately equal to 3.14.
What is pi?
300
If Bob has red and green marbles in a ratio of 1:4, he would have this many red marbles if he had 80 green ones.
What is 20?
300
110% of 35 is this amount.
What is 38.5?
300
This is the simplest form of 10/30.
What is one third?
300
A circle with a radius of 12 would have this area.
What is 113.04 square inches?
300
This measurement refers to the amount of space a shape takes up, as measured by square units.
What is area?
400
If Mike mows lawns at a rate of 4 lawns every 3 hours, he would take this long to mow 10 lawns.
What is 7.5 hours?
400
If a room is 192 square feet and a rug covers 28%, the rug would be this big.
What is 53.76 square feet?
400
This is the fraction (in simplest form) for 0.28
What is 7/25?
400
Beth solved a circle problem and got the answer 82 meters. She must have found this: (area or circumference)
What is circumference?
400
Numbers without variables, such as 82 or 1.2.
What is a constant?
500
If there are 4 red cars for every 9 green cars, there would be this many red cars if there were 39 total.
What is 3?
500
If there are 200 kids in a school and 110 of them are girls, this would be the percentage of girls. (45%, 50%, 55%, or 60%)
What is 55%?
500
This is the fraction in simplest form for 8%
What is 2/25?
500
Sandra is painting a sign on a building. As part of her design, she has to paint a large circle that is 9 feet across. She will use paint to cover this much space.
What is 63.585 square feet? (Or 63.6 square feet)
500
This is a number that can be represented by the quotient of two other numbers. (Pi is not one)
What is a rational number?