Number and Algebra
Simplify: 3x+5x−2x
6x
Evaluate 62 (6 squared).
36
How many sides does a hexagon have?
6
What is the mode in the data set: 2, 3, 3, 5, 7?
3
What is the probability of flipping a coin and getting heads?
1/2 or 50%
Solve for x: 4x−7=21
x = 7
Solve: 3/4 + 2/4 =
1 1/4 or 5/4
What is the name of a triangle with all sides equal?
Equilateral
Find the median of: 12, 15, 19, 22, 28
19
What is the probability of rolling a 4 on a six-sided die?
1/6
Solve for x: 1/2x + 3/4 = 1
x = 1/2
Solve: 6/7 + 1/3 =
25/21 or 1 4/21
Find the area of a triangle with base 7 cm and height 4 cm.
14 square cm.
What is the mean of: 4, 8, 10, 6, 12?
8
If you have a bag with 3 red, 2 blue, and 5 green marbles, what is the probability of picking a blue marble?
2/10 or 1/5
Simplify: 5(x - 7) - (x + 6) =
4x - 41
Solve: 0.6 - 1/5 =
4/10 or 2/5
What is the volume of a rectangular-based prism with the dimensions 3 cm, 5 cm, 6 cm?
90 cm cubed
The data set has an average (mean) of 10. If one number is removed, the new average is 8. What could be the number removed if the data set originally had 5 numbers?
20
Two dice are rolled. What is the probability the sum is 7? (Hint: Outcomes that sum to 7 are (1,6), (2,5), (3,4), (4,3), (5,2), (6,1))
6/36 = 1/6
If the sum of two numbers is 48 and one number is 3 times the other, what are the numbers?
12 and 36
A chef ordered 9 1/4 pounds of red onions and
4 4/8 pounds of yellow onions. How many pounds of onions did the chef order in all?
13 6/8 or 13 3/4
Calculate the area of a circle with a radius of 5 cm. (Use π≈3.14)
A: πr2=3.14×25=78.5 cm2
Identify an outlier in this data set: 2, 10, 3, 3, 6, 7, 11, 12, 100, 14, 20, 5, 9, 10
100
A spinner is divided into 4 equal sections: Red, Blue, Green, Yellow. What is the probability the spinner lands on either Red or Green?
2/4 = 1/2