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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 - A collection of fun and cool math games by category: Algebra, Arithmetic, Decimals, Factors, Fractions, Geometry, Integers Probability, Statistics etc. You can find games for all grade levels here.
- Mental Math and Math Tricks - Impress your friends, or spice up your math classes using these math tricks. Or simply improve your skills in handling numbers and have fun at the same time.
Mental Math for Addition
Mental Math for Money, Tipping and Percentage
Mental Math for Squaring Numbers
Learn Math Table for 2, 6,4, 7, 9 using patterns
Mental Math: Easy way to multiply numbers between 10 and 20
Math Trick for Multiplying (2-digit numbers)
Math Trick for Multiply by 11 or 25
Math Trick for Multiply by 75, 101 or 111
Math Trick to remember the Unit Circle
Math Trick to remember the Trig Ratio of Special Angles
"Read Your Mind" Math Tricks
The Sum Trick and Magic Square
Math Card Tricks
Mental Math Worksheets
- 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 Riddles
Arithmetic Riddles
Algebra Riddles
Geometry Riddles
Calculus Riddles
Statistics Riddles
Light Bulb Riddles
Math Riddles Collection
- 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.
"A Mathematician is ..." Math Quotes
"Mathematics is ... " Math Quotes
Arithmetic Math Quotes
Algebra Math Quotes
Geometry Math Quotes
Calculus Math Quotes
Statistics Math Quotes
Math Quotes Collection
General Math Quotes
- Math Jokes - These are the longer math jokes which are useful resources for any math class.
Math Bloopers
Funny Math Proofs
Jokes about Mathematicians
Math Jokes: Numbers
Math Jokes: Algebra
Math Jokes: Calculus
Math Jokes: Statistics
Math Jokes: Dictionary
Excuses for not doing Math Homework
Ten Commandments of Mathematics
Methods of Mathematical Proofs
The Evolution of Teaching Math
10 Easy Steps for How Not to Pass a Math Course
How Not to Pass a Math Exam
- 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.
- Math Puzzles and Logic Puzzles
Sudoku Rules and Puzzles
Logic Puzzles
Logic Puzzles II
Math Puzzles
Math Puzzles II
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, Music and Doodles
The Gauss Christmath Special
Möbius Music Box
Möbius Story: Wind and Mr. Ug
Pachelbel's Music Box Canon in D
Doodling in Math Class: Binary Trees
Doodling in Math Class: Stars
Doodling in Math Class: Snakes + Graphs
Doodling in Math Class: Infinity Elephants
- Answers to 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
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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:
Tangled Tale: Knot 1
Tangled Tale: Knot 2
Tangled Tale: Knot 3
Tangled Tale: Knot 4.
Sayings and Quotes
We welcome your feedback, comments and questions about this site. You may also contribute your favorite math jokes, riddles, puzzles, trivia and fun stuff to add some math humor for others like yourself. Please submit your feedback via our Feedback page.
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