General 7th Grade Knowledge
Ratios and Proportions
Fractions, Decimals, and Percents
Probability and Data
Geometry
100
What is the diameter of a circle?
Draw or describe
Line all the way across center of circle
100
Write a ratio in simplest form comparing the number of months that begin with the letter J to the total number of months in a year.
What is 1/4?
100
This is 3/5 as a decimal.
What is 0.6?
100
There are 3 red, 4 blue, and 3 white marbles in a bag. You select one marble. This is the probability that you will select a blue marble.
What is 2/5 or 40% or 0.4?
100
A square has an area of 121 square feet. What is the square's side length?
What is 11 feet?
200
What is the formula for Circumference?
c = pi x D
OR C = pi x r x r
200
A person jumps rope 14 times in 10 seconds. How many times can the person jump per second?
What is 1.4 jumps per second?
200
What is 1/100 as a percent?
0.01
200
A dental hygienist randomly chooses a toothbrush in a drawer containing 17 white, 12 green, and 5 blue toothbrushes. This is the probability that she chooses a green toothbrush.
What is 6/17 or 0.353 or 35.3%?
200
A rectangle has a length of 14 inches and a width of 23 inches. What is the perimeter?
What is 74 inches?
300
How many degrees make up a right angle?
90
300
While making a cake, Eugene needs 3/4 cup of milk for every 2 tablespoons of chocolate chips used. If Eugene uses 2 cups of milk, how many chocolate chips does he need?
5 and 1/3 tablespoons of chocolate chips (or 5.3)
300
84% of US households has access to the Internet. If there are 600 families are in the town of Mathville, how many families would have access to the internet?
504 families
300
The grades for a student are 95, 80, 68, 72, and 85. What is the median grade?
What is 80?
300
A circle has a diameter of 8 cm. What is the area?
What is 50.24 square cm?
400
How many degrees are there in a triangle? (If you add up all the angles in a triangle?)
180 degrees
400
Write the constant of proportionality for the graph in the equation y = kx
y = 12.5x
400
At Lang Middle School, 46% of the students participate in sports. If there are 400 students at Lang Middle School, how many students do NOT participate in sports?
What is 216 students?
400
The height of puppies in inches are listed below:
5, 6, 8, 5, 4, 4, 7, 2, 4, 7, 5
What is the mode of the data?
4 and 5
400
A cereal company wants to know which box it should use to be able to sell the most cereal possible. One box is 3in x 5in x 6.2in, while the other cereal box is 2.5in x 4in x 8.5in . What is the difference in volumes?
What is 8 cubic inches?
500
What is a proportional relationship?
A proportional relationship always has the same ratio between the two variables.
500
Mandy is enlarging a photograph that is 3 inches wide and 4.5 inches long. If she wants the width of the enlargement to be 10 inches, this will be the length.
What is 15 inches?
500
A pair of sneakers costs $22 and are on sale for 15% off. What is the new price of the sneakers?
What is $18.70?
500
What is the probability of landing on orange?
What is 1/8?
500
A rectangular prism has a volume of 360 cubic cm, a height of 6 cm, and a width of 10 cm. What is the length?
What is 6 cm?