All Your Base(s)
Solve for X
Talkin' Triangles
Shapes and Area
Probably Correct
100

The number decimal number 16 written in base two.

What is 10000?

100

X + 4 = 3

What is -1?

100

An adorable triangle with no angle of 90 degrees or greater.

What is an acute triangle?

100

This shape is composed of 4 equal sides and 4 equal angles

What is a square?

100

If you and I each roll a single six sided die, these are the odds that our rolls match.

What is 1/6?

200
In base 7 it is written as 31, but in base 10, it is this.

What is 22?

200

2x + 3 = 7

What is 2?

200

This triangle, with one angle of exactly 90 degrees is called this.

What is a Right Triangle?


200

The area of a circle, expressed in terms of its radius.

What is pi times the radius squared?
200

If you flip one coin and have it come up heads, this is the probability the next coin will be heads.

What is 1/2?

300

The decimal number 13, written in base 5

What is 23?

300

4x + 7 = 7x - 2

What is 3 ?

300

A triangle, whose sides and angles are all equal, is called this.

What is a Equilateral triangle?

300

The area of a triangle with side lengths 3, 4, and 5 inches.

What is 6 square inches?

300

Assuming each move has equal probability of being selected, this is the fraction of Rock, Paper, scissors games won by Paper.

What is 1/9?

400

The base in which the decimal number 4 is represented by 11.

What is base 3?

400
x2 + 5 = 30

What is +/- 5?

400

The equation A2+B2=C2 describing the relationship between the side lengths of a triangle which has an angle of 90 degrees, is called this.

What is the Pythagorean theorem?

400

A rectangle, where if you attach a square with length equal to the longer side as shown, results in a new rectangle with the same aspect ratio, is called this.

What is a golden Rectangle?

400

In a standard 52 card deck, this is the probability of drawing two cards and having them match either values or suits.

What is 5/17? (15/51)

500

ADD in hexadecimal is this number in base ten

What is 2781?

500

x+ 21 = -10 x

What is -3 and -7?

500

The name of a triangle with no equal sides or angles.

What is a Scalene triangle?

500

The Tetrahedron, Cube, Octahedron, Dodecahedron, and Icosahedron, the common shapes of a 4, 6, 8, 12, and 20 sided dice respectively, are collectively called this.

What are the Platonic solids?

500

If you flip two coins, and know that at least one of them (but not which) is heads, this is the probability that both of them are heads.

What is 1/3?