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Math Jokes

Are you looking for funny math jokes that are also school appropriate? Want to add some humor to your math lessons? Whether you’re a math teacher or a student, this comprehensive collection of the best math jokes will have you laughing and learning in no time.

This math joke collection is high school math teacher approved and features math jokes including algebra jokes, geometry jokes, arithmetic jokes, trigonometry jokes, statistics jokes, and more! They are sure to help make math class fun. 

math jokes cartoon with two people laughing.

Looking for an easy way to incorporate these silly math jokes in your math classroom? Check out my free printable math joke of the week poster collection! Your students may try to play it cool, but they will get a kick out of this collection of cheesy math jokes. 

Algebra Jokes

Combining Like Terms Jokes

  • What is 2n plus 2n? I don’t know. It sounds 4n to me.

Logarithm Jokes

  • Why do mathematicians like parks? Because of all the natural logs.
  • What do organic mathematicians throw into their fireplaces? Natural logs.

Polynomial Jokes

  • Why can’t you trust a polynomial to stay the same? They have too many variables.

Quadratics Jokes

  • How does a ghost solve a quadratic equation? By Completing the Scare
  • What do baby parabolas drink? Quadratic formula
Math Joke: What do baby parabolas drink? Quadratic Formula.

Radical Jokes

  • Why do plants hate math? It gives them square roots.

Conics Jokes

  • Why didn’t the hyperbola feel sick? It was asymptote-matic.

Miscellaneous Algebra Jokes

  • What do you call friends who love math? Alge-bros
  • What is a bird’s favorite type of math? Owl-gebra
  • Why does algebra make you a better dancer? Because you can use the algo-rhythm!
  • Do you know who invented algebra? An x-pert.

Geometry Jokes

Geometry Jokes.

Shape Jokes

  • What did the triangle say to the circle? You’re pointless!
  • Which triangles are the coldest? Ice-sosceles Triangles
  • Why is the obtuse triangle always upset? It is never right.
  • What do you call a dead parrot? Polygon
  • Why was the mathematician late for work? He took the rhombus.
  • What do you call a crushed angle? A Rectangle (wrecked angle).
  • Who invented the Round Table? Sir Cumference.
  • What’s the one shape you should avoid at all costs? A TRAP-ezoid.
  • Why doesn’t anybody talk to circles? Because there’s no point.
  • Why did the 30-60-90 triangle marry the 45-45-90 triangle? They were right for each other.
  • What do you call an empty parrot cage? A polygon.
Geometry Joke: What do you call an empty parrot cage? Polygon.
  • Why was the triangle the MVP of the basketball team? It always made three-pointers.
  • What did the witch doctor say after lifting the curse? Hexagon.
  • What shape is usually waiting for you inside a Starbucks? A line.
  • What geometric shape is lying in wait? A trapezoid.
  • What do you call a teapot of boiling water on top of a mountain? A high-pot-in-use.
  • Why did Albert Einstein and Pythagoras go to small claims court? To fight for possession of C squared!
  • What happened to the mathematician who was caught robbing banks? A judge sent him to prism!
  • Where does a round flatbread covered in cheese and tomato sauce with a radius of z and a depth of a get its name from? Pizza
  • What do they call the longest side of a right triangle in the forest? A Hypoten-Moose!
Geometry Joke: What did the triangle say to the circle? You're pointless.

Angle Jokes

  • Why did the obtuse angle go to the beach? It was over 90 degrees.
  • What do you call an angle that is adorable? Acute angle
  • What is the best way to pass a geometry test? Know all the angles.
  • Why wasn’t the geometry teacher at school? Because she sprained her angle!
  • How do you keep warm in a cold room? You go to the corner because it’s always 90 degrees.
  • Why did the mathematician spill all of his food in the oven? The directions said, “Put it in the oven at 180°”.
  • What do mathematicians do after a snowstorm? Make snow angles!
  • Did you hear about the overeducated circle? It has 360 degrees!
  • Why are obtuse angles always sad? Because they are never right.

Parallel and Perpendicular Line Jokes

  • What do you call more than one L? Parallel
  • Why is it sad that parallel lines have so much in common? Because they’ll never meet.
  • What do parallel lines and vegetarians have in common? They never meat.
Geometry Joke: What do you call more than one L? Parallel.

Miscellaneous Geometry Jokes

  • What do you call people who like tractors? Pro-tractors
  • What is a math teacher’s favorite tree? Geometry
  • What do geometry teachers have on their floors? Area rugs
  • What do you get when you cross geometry with McDonalds? A plane cheeseburger.
Math Joke: What do you call people who like tractors? Protractors.

Number Jokes

Exponent Jokes

  • Why won’t Goldilocks drink a glass of water with 8 pieces of ice in it? It’s too cubed.
  • In the expression x3, what do you call 3? An x-ponent
  • Why did seven eat nine? Because you’re supposed to eat 3 squared meals a day!

Fraction and Decimal Jokes

  • Why was the fraction worried about marrying the decimal? Because he would have to convert.
  • Which king loved fractions? Henry the 1/8.
  • How are a dollar and the moon similar? They both have four quarters.
  • How do we know the fractions, x/c, y/c, and z/c, are all in Europe? They’re all over c’s!
  • Why do numerators and denominators disagree? They’ve drawn a line.
  • Why should you never argue with a decimal? They always have a point.

Multiplication and Division Jokes

  • Why did the student do multiplication problems on the floor? The teacher told him not to use tables.
  • Why did the girl wear glasses during math class? It improved di-vision.
  • What’s a swimmer’s favorite kind of math? Dive-ision!
  • Where should you do your math homework? On a multiplication table.

Roman Numeral Jokes

  • What do you call a number that can’t keep still? A Roamin’ Numeral
  • Why didn’t the Romans find algebra very challenging? X was always ten.

Even and Odd Jokes

  • How can you make seven even? Remove the “s”
  • Why do teenagers travel in groups of three? Because they can’t even.
  • Do you know what’s odd? Every other number.
  • Do you know what seems odd to me? Numbers that can’t be divided by two.
  • What happens when you hire an odd-job helper to do 8 jobs? He only does 1, 3, 5, and 7.

Counting Jokes

  • What did the calculator say to the student? You can always count on me.
  • What are ten things you can always count on? Your fingers.
  • Why should you never mention the number 288? Because it’s two gross.
  • Why did the student trust his abacus? He knew he could always count on it.
  • What do you call a hen who counts her own eggs? A mathema-chicken.

Miscellaneous Number Jokes

  • Did you hear about the mathematician who’s afraid of negative numbers? He’ll stop at nothing to avoid them.
  • What did the zero say to the eight? Nice belt!
  • Why did the two 4’s skip lunch? They already 8!
  • How do you make one vanish? Add a “g” to the beginning.
  • What number can only go up? Your age.
  • Why was 6 afraid of 7? Because 7 8 9.
  • What number has its own day? Two’s day
  • Why is it dangerous to do math in the jungle? Because if you add 4 and 4, you get 8.
  • Why couldn’t the seven and the ten get married? They were under eighteen.
  • What did 2, 3, 5, and 7 have for dinner? Prime Rib.
  • Why is 69 so scared of 70? Because once they fought, and 71.
Math Joke: Do you know what's odd? Every other number.

Statistics Jokes

  • Why did the student get upset when her teacher called her average? It was a “mean” thing to say!
  • Have you heard the one about the statistician? Probably.
  • Why is statistics never anyone’s favorite subject? It’s just average.
  • Did you hear about the statistician who drowned crossing a river? It was three feet deep on average.

Trigonometry Jokes

  • Why couldn’t the angle get a loan? His parents wouldn’t cosine.
  • What do you call a gentleman who spent all the summer at the beach? A tangent.
  • Why didn’t sin and tan go to the party? Just cos.
  • How do deaf mathematicians communicate? Sine language
  • Why was math class so long? The teacher kept going off on a tangent.
  • Why did the math professor divide sin by tan? Just cos.
Geometry Joke: Why didn't sin and cos go to the party? Just cos.

Calculus Jokes

  • What did the student say about the calculus equation she couldn’t solve? “This is derive-ing me crazy!”
  • Why don’t math majors throw house parties? Because it’s dangerous to drink and derive.
  • What is the integral of one divided by a cabin? Log cabin? No, houseboat — you forgot the C.

Holiday Themed Math Jokes

Halloween Math Jokes

  • What do you get if you divide the circumference of a jack-o-lantern by its diameter? Pumpkin Pi
  • How does a child ghost count? One, Boo, Three

Pi Day Jokes

  • Why should you never start a conversation with pi? It’ll just go on forever.
  • Why did Pi get its driver’s license revoked? Because it didn’t know when to stop.
  • What’s the official animal of Pi day? The Pi-thon!
  • What do you get when you take the sun and divide its circumference by its diameter? Pi in the sky
  • Why isn’t pi on Twitter? Because 280 characters isn’t enough to express itself.
  • What was Isaac Newton’s favorite dessert? Apple pi.
  • What do you call a mathematician who doubles as a private investigator? Magnum Pi.
  • What’s the math teacher’s favorite dessert? Pi.
  • How many bakers does it take to bake a pi? 3.14.
  • Why shouldn’t you eat too much pi? You’ll end up with a large circumference.
  • What do you get when a bunch of sheep hang out in a circle? Shepherd’s pi.
  • What did pi say in a fight with its brother? You’re being irrational.
  • What’s the best way to visualize infinity? Using a pi chart.
  • What did the mathematicians order at the restaurant on March 14th? Chicken pot pi.
  • What do mathematicians and the Air Force have in common? They both use pi-lots.
  • What’s the best way to serve pi? A la mode. Anything else is mean.

Measurement Jokes

  • Who’s the king of the pencil case? The ruler.

Imperial System Jokes

  • Why can’t a nose be 12 inches long? Because then it would be a foot.

Metric System Jokes

  • What do Martians who use the metric system say? “Take me to your liter.”
  • Why was the inchworm angry? He had to convert to the metric system.
  • What do you call a metric cookie? A gram cracker.

Math Teacher Jokes

  • What state has the most math teachers? Math-achusetts
  • Why do cheapskates make good math teachers? Because they make every penny count.
  • What does a hungry math teacher like to eat? A square meal
  • What is an algebra teacher’s favorite sandwich? Slope-y Joe
  • Why can you never trust a math teacher holding graph paper? They must be plotting something!
  • Did you hear that old math teachers never die? They just lose some of their functions.
  • Why do algebra teachers feel superior to geometry teachers? Because they think that geometry teachers are too symbol-minded!
Geometry Joke: What does a hungry math teacher like to eat? A Square Meal.

Miscellaneous Math Jokes and Math Puns

  • What did Al Gore play on his guitar? An algorithm
  • Why was the math book sad? It had a lot of problems.
  • Where do mathematicians go on vacation? Times Square
  • What is a mathematician’s favorite season? Sum-mer
  • What kind of skates does a calculator wear? Figure skates.
  • What adds, subtracts, multiplies, and bumps into light bulbs? A mothematician
  • How many feet does it take to measure a backyard? 3- because three feet equals one yard.
  • What tools do you use for math? MultiPLIERS
  • Are monsters good at math? Not unless you Count Dracula.
  • What did one math book say to the other? Don’t bother me! I’ve got my own problems.
  • Why was the equal sign so humble? Because she knew she wasn’t greater than or less than anyone else.
  • Why didn’t the quarter roll down the hill with the nickel? Because it had more cents!
  • Which snakes are good at math? Adders.
  • What is the butterfly’s favorite subject in school? Mothematics.
  • What’s the best way to get a math tutor? An add!
  • How do mathematicians reprimand their kids? “If I’ve told you n times, I’ve told you n+1 times!”
  • Why did the chicken cross the Mobius strip? To get to the same side.
  • How does a mathematician plow a field? With a protractor.
Geometry Joke: What is a geometry teacher's favorite season? Sum-Mer

Have another favorite math joke? Leave it in the comments!

S Ambris

Tuesday 9th of November 2021

What is an algebra teacher's favorite sandwich? Slope-y Joe!

What did 2, 3, 5, and 7 have for dinner? Prime rib

Sarah Carter

Wednesday 10th of November 2021

The Slope-y Joe one is my new favorite!

Clifford Greenblatt

Friday 29th of October 2021

Must mathematicians cause division to bring about unity? Yes, they half two.

Clifford Greenblatt

Saturday 30th of October 2021

Grammatical correction of the joke: Must mathematicians cause division to bring about unity? Yes, they halve two.

Kheile Angelo A. Rayo

Sunday 3rd of October 2021

The only answer in that joke displayed in the pic is "why do you wear a belt?"


Friday 17th of September 2021

Do you know what's odd? Every other number!!!


Tuesday 2nd of February 2021

Here's a few math jokes for you. Thanks for all the things you post. I have gotten so many great ideas from you. My students love the math joke of the week!

How many feet does it take to measure a backyard? 3- because three feet equals one yard.

Why do cheapskates make good math teachers? Because they make every penny count.

What tools do you use for math? MultiPLIERS

Sarah Carter

Wednesday 24th of February 2021

That last one is my favorite! I just added them to the joke page. Thank you for sharing!