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High School Archive

Browse High School Discrete Math
Stars indicate particularly interesting answers or good places to begin browsing.

Selected answers to common questions:
    Four-color map theorem.
    How many handshakes?
    Squares in a checkerboard.
    Tournament scheduling.
    Venn diagrams.

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Venn Diagram: Two Possibilities [01/14/2003]

The science club advisor asked club members what science courses they liked. Eighteen members said they liked physics, 17 liked chemistry, and 10 liked biology. However, of these, 9 liked physics and chemistry, 4 liked biology and chemistry, 2 liked physics and biology, and 2 liked all three. How many science club members were interviewed?

Water, Gas, Electricity to Three Homes Puzzle [06/30/2002]

Connect three houses with each of three utilities without crossing any lines. Is this possible?

What is a Venn Diagram? [02/26/1998]

What is a Venn Diagram? What is its use, definition, and what does it look like?

What is Discrete Math? [10/8/1995]

I'm doing a project for school, and I need to know what discrete math is, an example of it, and what careers it is used in.

What is Discrete Math? [02/12/2001]

What is discrete mathematics, and why is it called "discrete"?

What is the Four-Color Theorem? [04/03/1998]

What is the Four Color Theorem?

Why Not Five Colors, All Touching? [04/30/2003]

A five-color map problem.

Wilbert the Wonder Dog [11/14/2002]

Five masters and their five dogs need to cross a river.

Winning at NIM [06/09/1997]

How do you ensure that you win the game of NIM?

Word Problem Hints [3/12/1996]

Two questions: 1) There are 1000 lockers numbered 1-1000. Suppose you open all of the lockers, then close every other locker. Then, for every third locker... 2) A certain substance doubles in volume every minute. At 9:00 a.m. a small amount is placed in a container...

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