Statistics
Triangles
Factoring
Riddles/Brain Teasers
100

The probability of flipping a coin twice and getting heads both time is....

What is 1/4 or 25%?

100

The 5 triangle congruence theorems are....

What are ASA, SSS, SAS, AAS, HL?

100

Factor the following polynomial: x2+2x+1

(x+1)(x+1)

or 

(x+1)2

100
What goes up and down, but never moves?

What is the stairs?

200

If 60% of students like basketball what percent hates basketball?

40%

200

The 3 triangle similarity theorems are...

What is AA, SSS, and SAS?

200

Factor the following polynomial

3x2+5x+2

(3x+2)(x+1)

200

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

The river was frozen. 

300

The Redsox won 70% of their home games and 55% of their away games last season. What is the probability that the Redsox with both a home game and an away game? 

38.5% or 0.385

300

The congruence theorem to solve the following problem is..

What is SSS?

300

The factors of 3x2+10x-8 are 

What is (3x-2)(x+4)?

300

A doctor and a bus driver are both in love with the same woman, an attractive girl named Sarah. The bus driver had to go on a long bus trip that would last a week. Before he left, he gave Sarah seven apples. Why?


An apple a day keeps the doctor away!

400

If 35% of students have a job when they are in high school and 80%of students get their license in high school. What is the probability of having a job but NOT having a drivers license?

7% or .07

400

The congruence theorem to solve the following problem is..

What is SAS?

400

The factors of 8x2-10x-3 are...

What is (2x-3)(4x+1)?

400

I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost everybody. What am I?

What is pencil lead?

500
Out of 100 people, 45 of them claim to eat vegetables five times a week. Also, 60 people claim to eat pizza at least once a week. Using the addition rule, what is the probability that someone eats pizza once a week or vegetables 5 times a week? 

78% or .78

500

The value of x is....

What is 5.4?

500

The factors of 7x2-17x+6 are...

What is (7x-3)(x-2)?
500

Turn me on my side and I am everything. Cut me in half and I am nothing. What am I?

What is the number 8?

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