Operations with Positive and Negative Numbers
Expressions, Equations, and Inequalities
Angles, Triangles, and Prisms
Probability and Sampling
100
-20 div (-10) =
2
100
Marcus has $18 and earns $7 for each car he washes. He wants to buy a video game that costs $60.
What is the minimum number of cars Marcus must wash to afford the video game?
6 cars
100
What is angle x?
32 degrees
100
What is the median of these numbers?
1, 7, 2, 4, 3
3
200
-7 - (-6) =
-1
200
Sofia goes to a snack shop with $8.00. She buys 6 granola bars for $0.50 each and some fruit snacks. Each fruit snack costs $0.40.
What is the maximum number of fruit snacks Sofia can buy?
12 fruit snacks
200
What is the area, in square feet, of the ceiling of the classroom?
300 square feet
200
What is the mean of these numbers?
1, 7, 2, 4, 3
3.4
300
If it is 13 degrees Celsius in San Francisco and -4 degrees Celsius in Tasiilaq, Greenland, what is the difference in temperature between San Francisco and Tasiilaq?
17 degrees
300
Ava has a fish tank that can hold a maximum of 200 gallons of water. The tank already contains 80 gallons. She adds water at a rate of 5 gallons per minute.
Write an inequality that shows the number of minutes, m, Ava can add water without overflowing the tank.
200 >=80+5m
300
How many square feet of paint are needed to paint the walls of the classroom? (The door and window will not be painted)
1,136 square feet
300
What is the probability of rolling a number less than 6 on a dice?
5/6
400
If a = -23 and b = 67, is b - a positive, negative, or zero?
Positive
400
Write an expression equivalent to -8 + (-4x) + 4 with only two terms.
-4 + (-4x)
400
A box of chocolate bars is 12 inches long, 12 inches wide, and 8 inches tall. Each chocolate bar is 4 inches long, 2 inches wide, and 1 inch tall. How many chocolate bars can fit in the box?
144 chocolate bars
400
A school counselor wants to know whether students at a middle school prefer longer lunch periods. She cannot ask every student, so she must choose a representative sample.
Which sample should she choose?
A. Students randomly selected from a list of all students at the school.
B. Students in the cafeteria during lunch.
C. Students she knows from her advisory class.
D. Students selected by the principal.
A
500
Select all values equivalent to
-5/3
A. (-5)/-3
B. -2 1/3
C. - (-5)/-3
D. -1 2/3
C and D
500
During soccer practice, Maya makes 6 out of every 15 penalty kicks.
Which statements are true?
A. The ratio of kicks made to kicks attempted is 2:5.
B. The ratio of kicks made to kicks missed is 2:3.
C. 6x = 15y represents kicks made (x) and kicks attempted (y).
D. 9x = 6z represents kicks made (x) and kicks missed (z).
A, B, and D
500
Lena uses a cart to move sand into a storage bin. The cart measures 2 feet by 2 feet by 2 feet. The storage bin measures 10 feet by 6 feet by 5 feet. Lena fills the storage bin until it is 80% full.
What is the minimum number of trips Lena must make with the cart to fill the storage bin to 80% capacity?
30 trips
500
A bag contains 2 blue, 3 yellow, and 4 red marbles. One marble is selected at random. Which statements are true?
A. It is impossible that a green marble will be selected.
B. It is unlikely that a red marble will be selected.
C. It is certain that a red marble will be selected.
D. It is unlikely that a blue marble will be selected.
A, B, and D