111 Funny Math Jokes for Teachers
March 2, 2025
Doing math problems might make some kids want to cry. So why not lighten the mood with a few number puns? A good dad joke about the quadratic formula never hurt anybody. These jokes are guaranteed to get your kids giggling—and before they know it, they might just want to do another subtraction problem. Read on for our 111 funny math jokes for teachers and kids.
111 Funny Math Jokes for Kids
We’ve divided our list of Funny Math Jokes into nine categories: 1) Geometry 2) Algebra 3) Arithmetic 4) Calculus 5) Trigonometry 6) Graphing 7) Area & Measurement 8) Number Fun 9) Pi.
Geometry Math Teacher Jokes
1) What country did the angle come from?
Di Greece! (Degrees!)
2) What did everyone say when the hemisphere finally cleaned up its act?
It had made a 180-degree change!
3) How do four-sided shapes communicate with one another without touching?
Through parallelo-grams! (Like telegrams!)
4) What did the cool cone say to the uncool cube?
“Don’t be so square…”
5) Why didn’t the busy circle want to run into the straight line?
It was always going on a tangent…
6) Why was the obtuse angle constantly getting frustrated?
Because it could never be right.
7) What did the mommy globe say to the baby globe to get her to come back?
“Come sphere!”
8) What’s a shape’s favorite wonder of the world?
The Great Pyramids of Giza!
9) Why didn’t the circle want to get cut in half?
It didn’t want to di-ameter!
10) What was the royal title of the knight 2πr?
Sir Cumference!
11) What did the triangle have a crush on the 30-degree angle?
It was so a-cute!
12) Why did the obtuse angle turn on its air conditioning?
It was more than 90 degrees!
13) What did the square say to the angle who kept pretending not to understand?
“Don’t be so obtuse!”
14) What did the cute parallel line say to the ugly parallel line about going on a date?
“In your dreams!”
15) What did the one side of the triangle say to the other side of the triangle who wouldn’t share his feelings?
“Why are you being so equi-distant?”
16) Why did the straight line agree with the other straight line’s argument?
It had two good points.
17) Why didn’t the cube want to go on a second date with the line?
It was too one-dimensional.
18) Why didn’t the square want to listen to the circle?
He thought the circle was pointless.
19) What did the circle say when the triangle asked him if he’d like to hang out?
“Sure, I’ll be around.”
20) Why did the 30-degree angle marry the 60-degree angle?
They were right for one another!
21) What did they say about the quadrilateral shape that fell through the stage floor?
He fell right into that TRAP-ezoid!
22) Why did the two dots agree when they met on the flat surface?
They were on the same plane.
23) What’s a snake’s favorite equation?
The Python-agorean Theorem!
24) What’s the equator’s favorite three-dimensional shape?
A hemisphere!
25) What’s a shiny rock’s favorite kind of math?
Geode-ometry!
26) Why was the geometric measuring tool never very convincing?
His arguments were always so protracted.
27) Why did everyone think the right angle was so smart?
He had, like, 90 degrees!
28) What do you call an angle that got stepped on?
A rect-angle (A wrecked angle)!
29) Did you know the Bermuda Triangle used to be called the Bermuda Rectangle?
It was like that until one of the sides mysteriously vanished!
30) Did you hear about the geometry teacher who made six figures?
He drew a circle, square, triangle, rhombus, rectangle, and parallelogram!
31) Why did the square become a public defender?
She believed in equal rights!
32) Where did the judge send the criminal triangle?
To prism!
Algebra Math Teacher Jokes
33) What’s a tree’s favorite mathematical operation?
Taking the square root of a number!
34) The farmer had three cows. Then he lost four cows. Why didn’t he care about losing the fourth cow?
The fourth cow had always been so negative.
35) What did the party clown say to all the numbers less than zero?
Don’t be so negative!
36) Why couldn’t Hamlet remember the rest of the math equation?
He couldn’t remember if it was 2b or not 2b.
37) Why did everyone always gossip about the relationship between c2 and a2+b2?
Their relationship was purely theoretical.
38) Where did 3! work?
At the factory-al! (Factorial)
39) Why wasn’t the square root of 64 hungry?
It already 8.
40) Why didn’t √4 want to move to a new city?
She was 2 rooted where she was! (“Too rooted.” The square root of 4 is 2.)
41) What happened to the tree that grew in a box?
It had square roots!
42) What time does √144 like to get lunch?
12 noon.
43) Where did f(x) and x2 finally meet?
At the function!
44) Why was the tree so good at playing the drums?
It had a good sense of log-arithm.
45) Why didn’t 10 want to go to the 10th power?
It was too much of an exponential leap.
46) Why were ax and bx so good at getting things done?
A and b were super co-efficient!
47) Why didn’t anybody know what to call 4xy + 3x – 5?
It was polynomial!
48) Why didn’t 15 see a future with 1 + 2 + 3 + 4 + 5?
The series was finite.
49) Why wasn’t anybody else in the quadratic equation very close with x?
He was completely unknown to them.
50) Why did everyone find y = mx + b so easy to agree with?
All his arguments were linear.
51) Why didn’t anyone ever believe the square root of 2?
It was so irrational.
52) Why didn’t anyone ever believe the square root of -1?
He was so unreal!
53) Why can’t a square root ever be sad?
They always have to be positive!
Arithmetic Jokes
54) How did the converted fraction get paid for his work?
He got paid per cent. (A converted fraction is a %).
55) What did the teacher say to the equal sign when he started bragging about all his accomplishments?
“You’re not > or < anybody else!” (You’re not greater than or less than anybody else!)
56) What’s a multiplication problem’s favorite piece of furniture?
A multiplication table!
57) Why was ¼ so well-behaved?
It was a proper fraction!
58) Why was 10/6 considered to be so rude?
It was an improper fraction!
59) Why did the percentages go to the Black Friday sale?
They could get everything they wanted at a fraction of the price!
60) Why was 2*2 always left behind?
It was four-gotten.
61) How did 5/5 feel after meditating?
One (1) with itself.
62) What did Dear Aunt Sally say before she said anything else?
“Please excuse me!”
63) Why did the parenthesis () tell the surgeon what to do?
They liked to order operations.
64) Why did everyone think the abacus was so reliable?
They could always count on him.
65) Why didn’t anyone like subtraction?
They didn’t think he had a good add-itude.
66) Why was the farmer so happy when he rounded up his 297 cattle?
All of a sudden, he had 300!
67) What’s a plus sign’s favorite season?
Sum-mer!
68) Why did ½ pray to 1/1?
It was whole-y (holy!).
69) Why did the percentage by the shirt at ½ off?
He got it for a fraction of the price!
70) Why didn’t 3/6 want to become ½?
He didn’t want to be reduced like that.
Calculus Math Teacher Jokes
71) What’s an imaginary number’s favorite game?
Make believe!
72) Why did infinity drive as fast as it wanted?
For infinity, limits don’t exist.
73) Why couldn’t the square root of -1 introduce his friend i to his family?
i was just his imaginary friend.
74) Why couldn’t anyone catch d/t?
It had too much velocity!
Trigonometry Math Teacher Jokes
75) Why couldn’t the straight line get a loan at the bank?
It needed someone to sine and cosine.
76) Why did the secant, cosecant, and cotangent feel like they were treated fairly by sine, cosine, and tangent?
They were in a reciprocal relationship!
77) What did 𝜃 say to P(x,y)?
“See you around!”
78) What are a math teacher’s favorite types of trees?
Geome-tree and Trigonome-tree!
79) Why did the math teacher divide sin by tan?
Just be-cos.
80) What is an oak’s favorite kind of math?
Tree-gonometry!
Graphing Jokes
81) Where does a horse wave go to eat?
At the trough.
82) Who is a low point’s favorite politician?
Ralph Nader (Nadir)
83) Why did the line graph make such a beautiful sound?
It was a bell curve.
84) The U-shaped bowling team only had 8 bowlers, but it needed 10 bowlers to enter the tournament. What was it searching for?
A para-bola! (Pair of bowlers)
85) Why did the detective suspect the graph paper was guilty of the crime?
The graph paper was always plotting something.
86) What kind of amphibian can you find hiding under a curve?
An asymp-toad!
Area & Measurement Math Teacher Jokes
87) Why can’t a nose be 12 inches long?
It would be a foot!
88) Why did the 12-inch stick think he was king?
He was the ruler!
89) Why did the rug like L x W?
It was an area rug.
Number Fun Jokes
90) Why was 6 afraid of 7?
Because seven eight nine! (Seven ate nine.)
91) What’s the number 2’s favorite vegetable?
A two-ber! (Tuber)
92) What’s Buzz Lightyear’s favorite number?
Infinity! (And beyond!)
93) What’s a dentist’s favorite time?
Tooth-hurty! (2:30)
94) What is -4’s favorite convenience store?
7-11! (7-Eleven)
95) What did the positive numbers say to 0 when it got sad?
“Look on the plus side!”
96) Why did 7’s television show come on at 7 PM?
It was prime time!
97) What is a young adult novel’s favorite number?
Four-teen. (For teens!)
98) What did the motivational coach say to infinity?
“Don’t quit!”
99) What do you call someone who can’t solve a Rubik’s Cube?
A Rubik’s Rube!
100) How did the numbers between 1 and 2 organize all their books?
They used the Dewey Decimal System!
101) Why didn’t 5.3 agree with 5?
He didn’t see his point.
102) Why did 9 believe in 93?
He saw his ex-ponential.
103) Why was 13 sweeter than 12?
It was the baker’s dozen!
104) Why does Gen Z always hang out in groups of 5, 7, or 9?
Because they can’t even.
105) Where do all the Ls want to go when they die?
El-heaven (11!)
106) Where do all the periods like to go shopping?
At the deci-mall!
Pi Jokes
107) Why did Pi keep getting lost when it was looking for the diameter?
It just kept going around in circles!
108) What’s Pi’s favorite day of the year?
March 14th! (3.14)
109) Why didn’t anyone want to talk to Pi?
He just goes on forever and ever…
110) What’s a mathematician’s favorite dessert?
Pi!
111) What’s a computer programmer’s favorite dessert?
Math Jokes for Teachers and Kids – Additional Resources
Keep the good times rolling in your classroom with these other resources:
- 101 Thanksgiving Jokes for Kids
- Funny Limericks for Kids – 50 Examples
- 100 Jokes for Kids – Safe for Teachers in School!
- 45 Fun Classroom Games for Kids
- 131 Amazing Riddles for Kids with Answers
- 101 Animal Trivia Questions for Kids
- 30 Best Books for 6th Graders
- 125 Geography Trivia Questions for Kids
