Rational Numbers & Integers
What is -3 + 5?
2
3x = 15, solve for x
x = 5
True or false:
6:2 is equivalent to 2:6
False
What is the probability of flipping heads on a coin?
1/2
If the diameter is 81, what is the radius?
40.5
what is -1/2 - -1/2
0
Is x a solution to this equation?
4x + 8 - x = 26
x = 5
No
Do these ratios form a proportion?
4:9 and 2:3
What is the sample space for rolling a standard number cube? (d6)
1, 2, 3, 4, 5, 6
What is the formula for the area of a circle?
A = pi x r2
What is 3/5 x 2/3?
6/15 or 2/5
Use the distributive property to simplify:
3(5+7x)
15 + 21x
If a toy company can produce 9 toys in 3 hours, how many toys can they produce in 24 hours?
72 toys
What is the probability of picking this question first?
1/25
or
4%
When 2 angles add up to 180 degrees, what is the pair of angles called?
Find the value of the expression when x = 8 and y = -4.
3x + 2y
16
What is the solution to this inequality?
4x - 3 > x + 6
x > 3
3/8 = 9/x
Solve the proportion
I want to make a conclusion about how many Avalon students play sports, so I walk outside and survey a group of students tossing a frisbee around.
Is this a biased sample?
Yes.
I have a cube that is 2 ft long, 2 ft wide, and 4 ft tall.
What is the volume?
16 ft3
-4.5 divided by -15
0.3
Solve for n:
(n/3) - 17 = 4
n = 63
What is the constant of proportionality when y = 4 and x = 0.5?
(What do you multiply x by to get y?)
k = 8
What is one way that people can be misled using a graph?
Truncated Graph
Cherry Picking Data
3D Distortion
What divided by what gives you pi?
Circumference divided by diameter