Geometry
What is the formula for area of a circle?
What is the area formula of a triangle?
Area is 1/2 x (base x height)
How do you find the mean?
Add up all the numbers, then divide by how many numbers there are.
On a box and whisker plot, what does the first line represent?
The minimum
Describe the spinner that would have a 1/3 probability?
There would be three sections on the spinner, all with an equal chance.
What is the area of a circle if the radius is 5?
78.5 or 25pi
What is the difference between complementary angles, supplementary angles, and vertical angles?
Complementary Angles: two angles that add to 90 degrees.
Supplementary Angles: two angles that add to 180 degrees.
Vertical Angles: two angles across from each other that equal the same amount.
What is the range of this data set?
2, 2, 3, 4, 5, 5, 6, 8
On a dot plot, what would it mean if there were two dots above the number 4?
That in the data set there are two 4's.
A grocery store owner made a list of the number of fruits sold last month. The store sold 67 oranges, 85 apples, and 28 lemons. What is the probability that the next customer will buy an orange?
67/180
Volume is length times width times height
Look at drawing #1 on the board.
What is the measure of the missing angle?
B=28 degrees
Add them up and divide by two.
On a stem and leaf plot, what does the stem number represent?
Stem | Leaf
1 | 3
The number in the ten's place.
Mary put 3 red, 3 blue, 4 green, and 10 yellow marbles into a bag. She then picks one marble from the bag. What is the probability that Mary picks a yellow marble out of the bag?
1/2
How do you find the radius when given the diameter?
Divide diameter by 2
Look at #2 on the board.
What is the value of x?
x=12
How do you find the difference of two medians?
Subtract the smaller one from the bigger one.
On a box and whisker plot, which line represents the maximum number?
The 5th line, or the last one.
Carlos has a box full of 48 brown, 3 yellow, and 2 orange toy blocks.
Is drawing a brown toy block likely, unlikely, or neither?
Likely
Jillian has a circular pool in her backyard with a diameter of 24 feet. What is the circumference of the pool rounded to the nearest tenth of a foot?
452.16 or 144pi
Look at #3 on the board.
If angle 1 is 3x+20 and angle 2 is 2x+10, what is the measure of angle 1 in degrees?
110 degrees
Find the IQR of the data set.
4, 5, 5, 6, 6, 7, 8, 10, 11, 11, 12, 13, 13
6
Do you know the muffin man?
Who lives on Drury Lane?
Gabby is recording her results from flipping a coin. She notices that heads occurred 18 out of 41 times. What is the frequency of tails?
23/41