r/mathpuzzles
7k members
r/mathpuzzles is a subreddit with 7k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses puzzle, math, this, logic, and can.
This is a subreddit dedicated to mathematical puzzles and challenges.
Popular Themes in r/mathpuzzles
#1
Solution Requests
: "which option is correct?"
15 posts
#2
Advice Requests
: "Very hard math square, been stuck on it for days"
9 posts
#3
Pain & Anger
: "A tough 3D reasoning puzzle (so far every AI system has failed at it)"
4 posts
#4
Ideas
: "Building a math/logic practice site with mentors, solutions, and achievements, worth it?"
1 post
#5
Self-Promotion
: "I’m building Equathora, a platform that makes solving math feel like a game (early users wanted)"
1 post
#6
News
: "The current issue of New Scientist features one of my new puzzles. Double Base is the Brain Twister (puzzle of the week)."
1 post
Popular Topics in r/mathpuzzles
#1
Puzzle
: "A tough 3D reasoning Puzzle (so far every AI system has failed at it)"
172 posts
#2
Math
: "Very hard Math square, been stuck on it for days"
126 posts
#3
This
: "Can anyone solve This?"
34 posts
#4
Logic
: "Don't know if this fits the sub."
30 posts
#5
Can
: "Can anyone solve this?"
29 posts
#6
Solve
: "Can anyone Solve this?"
28 posts
#7
Geometry
: "Can you find the area of the triangle given the radius or large circle is r?"
19 posts
#8
Number
16 posts
#9
Game
: "I’m building Equathora, a platform that makes solving math feel like a Game (early users wanted)"
10 posts
#10
Angle
7 posts
Flair Used in r/mathpuzzles
#1
Logic
: "which option is correct?"
17 posts
#2
Number
: "I need help with a conditional probability math game."
14 posts
#3
Recreational maths
: "Twin birthday paradox"
12 posts
#4
Geometry
: "Can you find the area of the triangle given the radius or large circle is r?"
7 posts
#5
Algebra
: "I need more try sum puzzles"
6 posts
#6
Hard/Unsolved
: "Please help me solve this puzzle"
5 posts
#7
Probability
: "All families are equally likely to have 0, 1, 2 or 3 children. The probability of each of these outcomes is 1/4. Given that Jesse has no brothers, what is the probability that Jesse is an only child? (Assume that male and female children are equally likely to be born)"
1 post
#8
Programming
: "I’m building Equathora, a platform that makes solving math feel like a game (early users wanted)"
1 post
Member Growth in r/mathpuzzles
Yearly
+2k members(38.5%)
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About
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Last updated: July 26, 2026