Math Trivia Collection



Browse our extensive collection of math trivia and math fun stuff - math games, math tricks, jokes, riddles, funny quotes, brain teasers, puzzles, mnemonics, and many more, to chase the math blues away!

You'll find that mathematics need not be dry and boring. Enjoy the lighter side of math with these collections of Math Games, Math Mnemonics, Mental Math, Math Tricks, Math Riddles, Math Quotes, Math Jokes, Brain Teasers, Math Puzzles, Logic Puzzles, Math Doodles, Saying and Quotes.

Math Games and Math Nmemonics

Math Games A collection of fun and cool math games sorted by categories: Algebra, Arithmetic, Decimals, Factors, Fractions, Geometry, Integers Probability, Statistics etc. You can find games for all grade levels here. Math Mnemonics Some Math Mnemonics to help you remember math facts and formulas. We have put them in the following categories: Pre-Algebra, Algebra, Geometry and Trigonometry.

Mental Math and Math Tricks

Impress your friends, or spice up your math classes using these mental math and math tricks. Or simply improve your skills in handling numbers and have fun at the same time.




Math Riddles

Math riddles like "What happens once in a minute, twice in a week, and once in a year?" and many more help you to think "out of the box", improve your observation and deductive skills. These math riddles are arranged in the following categories because often you need to know some of the subject matter before you can appreciate the riddle.





Math Quotes

A collection of funny math quotes and one-liners, including quips like "One person's constant is another person's variable," and many more. These are indispensible for any math teacher to have handy.

 




Math Jokes

These are the longer math jokes which are useful resources for any math class.




Brain Teasers

Brain Teasers and Puzzles for a brain workout.

Math Puzzles and Logic Puzzles

Come try out these math puzzles and logic puzzles.

Bridges (Hashiwokakero) Connect the islands with a network of bridges.
Dominosa Tile the grid with a full set of dominoes.
Galaxies (Tentai Show) Divide the grid into rotationally symmetric regions each centered on a dot.
KenKen Complete the Latin square in accordance with the arithmetic clues.
Light Up (Akari) Place bulbs to light up all the squares.
Loners (Hitori) Black out duplicate numbers according to the rules.
Magnets Place magnets to satisfy the clues and avoid like poles touching.
Map Colour the map so that adjacent regions are never the same colour.
Minesweeper Find all the mines without treading on any of them. This version differs from the common Windows version, in that you never need to guess.
Netwalk Rotate each tile to reassemble the network.
Pattern (Nonogram) Fill in the pattern in the grid, given only the lengths of runs of black squares.
Rectangles (Shikaku) Divide the grid into rectangles with areas equal to the numbers.
Signpost Connect the squares into a path following the arrows.
Slant (Gokigen Naname) Draw a maze of slanting lines that matches the clues.
Slitherlink Draw a single closed loop in accordance with the clues.
Sudoku The original puzzle craze that launched logic puzzles into the popular mindset! Fill in the grid so that each row, column and square block contains one of every digit.
Tents Place a tent next to each tree in accordance with the clues.
Towers Complete the Latin square of towers in accordance with the clues.
Unequal (Futoshiki) Complete the Latin square in accordance with the > signs.

Math Puzzles from Lewis Carroll

A Tribute to Lewis Carroll, a.k.a. the mathematician, C. L. Dodgson
(Lewis Carroll is the pseudonym of the English writer and mathematician Charles Lutwidge Dodgson, known especially for the children's books "Alice's Adventures in Wonderland" and "Through the Looking Glass".).

Occasionally, the witty writer and the mathematician would be reconciled, and this part of the site is dedicated to those moments. You may peruse witty Math-related Quotations from his work,

or try untangling his math puzzles:



Math Doodles

How about some math doodles and math music

Math, Music and Doodles The Gauss Christmath Special Möbius Music Box Möbius Story: Wind and Mr. Ug Pachelbel's Music Box Canon in D Math Doodles Doodling in Math Class: Binary Trees Doodling in Math Class: Stars Doodling in Math Class: Snakes + Graphs Doodling in Math Class: Infinity Elephants


Interesting math questions

Here are the answers to some interesting math questions.

Why is negative times positive negative?
Why is negative times negative positive?
Why are we not allowed to divide by zero?
Why is dividing by a fraction the same as multiplying by the reciprocal?
Why zero factorial equals one?
Why is a number raised to the zeroth power one?
What does raising a number to a negative power actually mean?
What is a number raised to the half mean?
What is zero raised to the zeroth power?
What is i to the i-th power?
Does 0.999... equal one or does it not?
Divisibility Rule for 3, 9, 7 and 11 - Why they work?
Logarithms: Brief history and Explanation
Monty Hall Problem Explained
Mobius Strip Explained
Why are all Quadratic Graphs U shaped?
Graphing Quadratics made Ridiculously Easy
Graphing Factored Polynomials
Basic Transformations of Graphs: Translations
The Graph of an Inverse Function is a Reflection
Graphing Complex Numbers

Pascal's Triangle and Binomial Theorem

What is a vector?
The Medians of a Triangle are Concurrent: Use Vectors to Proof

What is the number e?
The number e and Compound Interest
eix: Deriving Euler's Formula

Euclidean Algorithm
Are Factor Trees Unique?
Euclidean Algorithm and Jug Filling
Fundamental Theorem of Arithmetic: Proof

On Pythagoras' Theorem
Generating Pythagorean Triples
Pythagoras in 3-D: Two Ways

Wrapping a Rope around the Earth Puzzle
Dots on a Circle Puzzle
Bertrand's Paradox
A Harmonic Series Paradox

25 People in a Square Grid Puzzle
When does Perimeter equal Area?
What is Fractional Dimension and What is a Fractal?
Pi for a Square

Multi-Choosing Puzzle
Pile Splitting Puzzle
Derangements and Hats
Dots and Dashes
Sum of Cubes
Geometric Series Formula
The Basel Problem / The value of zeta two / Wallis' Product
Benford's Law

Standard Deviation Formula Explained
Fibonacci Formula
Completing the Square
Deriving the Quadratic Formula

Viviani's Theorem
Proof of Heron's Formula for the Area of a Triangle
On 30-60-90 and 45-90-45 Triangles
Finding the Center of a Circle
Radian Measure

Mersenne Primes
Perfect Numbers
Finger Multiplication Trick
Square Roots - and Addition
The Truth About "Rationalizing the Denominator"
Why is tangent called "tangent" in trigonometry?
The Complex Number i is NOT the square root of negative one
Fitting Exponential Functions to Data
Pigeon Hole Principle

Sums of Consecutive Numbers Puzzle
Fractions take up No Space: Rationals Have Measure Zero
Fitting Exponential Functions to Data
Fibonacci Puzzle

Angles in a 5-pointed Star
Magic Magic Squares!
Equidistance and Circles in Triangles
Law of Sines: A Little Curiosity About It

Curry's Paradox and the Notion of Area
Partition Numbers
Partitions and Fibonacci Numbers




Sayings and Quotes

Funny sayings and quotes for you to ponder and enjoy.



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