Sets
If A and B are intersecting sets, diagram the following relationship:
A U B
See board!
Triangle ABC has interior angles A=30 and B=45. C is unknown. Determine if the triangle is right, acute, or obtuse.
Obtuse
A multiple choice test has 15 questions, each with four answers. What is the probability of getting 0% on the test if you guess on every question? (rounded to the nearest percent)
1%.
How many ways are there the arrange the letters in the word "CAT"?
6
0,1,1,2,3,5,8,13
What are the next three numbers of this sequence?
Bonus: What is the name of this sequence?
21, 34, 55
Fibonacci sequence
Find the cardinality of the following set:
S = {x: x is a prime number less than 5}
2
What is the sum of the three angles in a triangle?
180°
In any random rearrangement of the letters in the word "cork", what is the probability that an "r" will be followed by an "o"?
1/4
How many ways can you arrange 17 ice cream flavors in a two scoop cone? (order doesn't matter)
136
1+2+3+4+5+...+97+98+99+100=
5050
Find (A \ B) U C, if
A = {1, 4, 6, 5, 3, 9, 8}
B= {1, 9, 8, 6, 4}
C= {1, 2, 4, 0}
(A \ B) U C = {0, 1, 2, 3, 4, 5}
What are the angles of an equilateral triangle?
60°, 60°, 60°
There are 1,002 hats in a shop. 20 blue, and 982 red. The lights are off. You pick 2 hats at random. What is the chance that they are both blue?
380/1,003,002
How many more ways can you rearrange the letters in the word "stupendous" than the word "repress"?
What are the first 10 digits of 𝝅?
3.141592653
Show that
L U R = R
implies
L ⊆ R.
See board!
What catagory in math is sine, cosine, and tangent?
If you have a selection of 7 books, and you want to bring 4 of them to the beach (yes, this again), along with 1 of your 3 different beach towels, how many book/beach towel combinations can you create?
105
Create a math question base on you current math knowledge. Name someone in the room to solve it.
See Board!
If for all elements "a" of a set A, and all elements "b" of a set B, "a" is not equal to "b", then sets A and B are described as
disjoint.
What is similarity? What are the ways you can prove two triangles are similar?
Two triangles with same shape, and with same ratio of the side length.
AA, SAS, SSS
If a bag contains 12 blue marbles, 11 red marbles, and 3 green marbles, what is the probability of picking one marble of each color (in any order) if you pick three marbles out of the bag?
1188/15600
How many different ways can you arrange the letters in the word "senselessness"?
180,180
Name three tutors in Math Lab.
Harry, Julia, Chris, Ann, Adam, Kai, Katie.