Algebra
Math History

Puzzles
Miscellaneous
100
x3=(92)x

+ or - 9

100

Who is credited with the development of the Pythagorean Theorem?

Pythagoras

100

Find the smallest integer greater than 10000 that is divisible by 12

10008

100

This yellow fruit is a key ingredient in making guacamole.

lemon

200

Find the slope of the line that passes through (9, 5) and (2, 13).

-8/7

200

Which mathematician is known as the "Father of Geometry" and wrote the influential work Elements?

Euclid

200

How many prime numbers are under 102?

26

200

This artist is known for the painting "Starry Night."

Vincent van Gogh

300

Solve the system of equations.

–7x − 5y = 16

y = 8

(-8,8)

300

Which mathematician invented calculus independently around the same time as Isaac Newton, and claims to have discovered it first.

Gottfried Wilhelm Leibniz

300

1+2+3+4+5+6+7+8+9+10+11+12+...+99+100

5050

300

"There's no place like home" is a famous line from this 1939 movie

The Wizard of Oz

400

Factor x4+4

(x2+2x+2)(x2-2x+2)

400

Who was the French mathematician that founded the study of analytic geometry and famously said, "I think, therefore I am"?

Rene Descartes

400

How many three digit positive integers are multiples of 4 but not 8?

113

400

This British monarch had the longest reign in English history before Queen Elizabeth II.

Queen Victoria

500

How many liters of 10% salt solution must be added to 5 liters of 25% salt solution to obtain a 15% salt solution?

10

500

At which university did Albert Einstein complete his higher education and earn his teaching diploma in physics and mathematics in 1900?

Swiss Federal Polytechnic

500

In Mr. Revzin’s class, 1/3 of the students brought a robot to school. Each boy solved 12 math problems, each girl solved 17 math problems, and each robot solved 9 math problems. A total of 305 math problems were solved. How many girls were there in Mr. Revzin’s class?

7

500

I have keys but open no locks, I have space but no room, you can enter but can't go outside. What am I?

A Keyboard