The Carnival of Mathematics is a monthly blogging round up hosted by a different blog each month. The Aperiodical will be taking responsibility for organising a host each month, and links to the monthly posts will be added here. To volunteer to host a forthcoming Carnival (see below for months needing a host), please contact Katie.

The Carnival of Mathematics accepts any mathematics-related blog posts, YouTube videos or other online content posted during the month: explanations of serious mathematics, puzzles, writing about mathematics education, mathematical anecdotes, refutations of bad mathematics, applications, reviews, etc. Sufficiently mathematized portions of other disciplines are also acceptable. An FAQ can be found at the bottom of this page.

Current: Carnival 233 is hosted by Jeremy at Math Intersect Programming.

Next: Carnival of Maths 233 will be hosted by Robin at Theorem of the Day, and submissions will close on 1st December.

Click here to submit an item to Carnival 234

Future Carnival hosts:

Carnival 234 – December 2024: Robin at Theorem of the Day
Carnival 235 – January 2025: hosted by John D Cook
Carnival 236 – February 2025: Alexandre Muñiz at Puzzle Zapper

We’re always looking for more Carnival hosts. If you’re interested, email Ioanna.

Previous Carnival of Mathematics posts:

Carnival 233 – November 2024: Jeremy at Math Intersect Programming
Carnival 232 – October 2024: Stormy at Storm Bear World
Carnival 231 – September 2024: Karen at Maths For Life
Carnival 230 – August 2024: Robin at Theorem of the Day
Carnival 229 – July 2024: Stephen at Cavmaths
Carnival 228 – June 2024: Ken at Girls’ Angle
Carnival 227 – May 2024: hosted by Ioanna at Ioanna Georgiou’s blog
Carnival 226 – April 2024: hosted by Tom at Tom Rocks Maths
Carnival 225 – March 2024: hosted by Fractal Kitty
Carnival 224 – February 2024: hosted by Stephen at Cavmaths
Carnival 223 – January 2024: hosted by George Shakan’s Data Science and Math Blog
Carnival 222 – December 2023: hosted by John D Cook
Carnival 221 – November 2023: hosted by Suzza at Beauty of Mathematics
Carnival 220 – October 2023: hosted by Nathalie at Infinitely Irrational
Carnival 219 – September 2023: hosted by Karen at Reflections and Tangents
Carnival 218 – August 2023: hosted by Tony at Tony’s Maths Blog
Carnival 217 – July 2023: hosted by Vaibhav at DoubleRoot
Carnival 216 – June 2023: hosted by Eddie at Eddie’s Math and Calculator Blog
Carnival 215 – May 2023: hosted by Cassandra at Cassandra Lee Yieng’s Blog
Carnival 214 – April 2023: hosted by Robin at Theorem of the Day
Carnival 213 – March 2023: hosted by Sam at SamHartburn.co.uk
Carnival 212 – February 2023: hosted by Ioanna at IoannaGeorgiou.com
Carnival 211 – December 2022/January 2023: hosted by Ganit Charcha
Carnival 210 – November 2022: hosted by Katie, here at The Aperiodical
Carnival 209 – October 2022: hosted by Jeremy at Math Intersect Programming
Carnival 208 – September 2022: hosted by James at AlephJamesA
Carnival 207 – August 2022: hosted by Sam at SamHartburn.co.uk
Carnival 206 – July 2022: hosted by Stormy at Storm Bear World
Carnival 205 – June 2022: hosted by Rob at Rob Eby’s Math Blog
Carnival 204– May 2022: hosted by Sophie the Mathmo
Carnival 203 – April 2022: hosted by Ben at Math Off The Grid
Carnival 202 – March 2022: hosted by Sophia at Fractal Kitty
Carnival 201 – January/February 2022: hosted at Ganit Charcha
Carnival 200 – December 2021: hosted at The Aperiodical
Carnival 199 – November 2021: hosted by Vaibhav at DoubleRoot
Carnival 198 – October 2021: hosted by Kartik at Comfortably Numbered
Carnival 197 – September 2021: hosted by Jeremy at Math ∩ Programming
Carnival 196 – August 2021: hosted by Peter at Thatsmaths
Carnival 195 – July 2021: hosted by Stormy at Storm Bear World
Carnival 194 – June 2021: hosted by Mike at Walking Randomly
Carnival 193 – May 2021: hosted by Ben at Math Off The Grid
Carnival 192 – April 2021: hosted by Eddie at Eddie’s Math & Calculator Blog
Carnival 191 – March 2021: hosted by Sophia at Fractal Kitty
Carnival 190 – February 2021: hosted by Sophie the Mathmo
Carnival 189 – January 2021: hosted by the team at Ganit Charcha
Carnival 188 – December 2020: hosted by Sam Hartburn
Carnival 187 – November 2020: hosted by James at AlephJamesA 
Carnival 186 – October 2020: hosted by Abhik Jain
Carnival 185 – September 2020: Mark at Apud Nimbum
Carnival 184 – August 2020: Tom at Tom Rocks Maths
Carnival 183 – July 2020: Fiona at Famous Mathematicians
Carnival 182 – June 2020: Zoe at ZoeLGriffiths.co.uk
Carnival 181 – May 2020: Ben at Math Off The Grid
Carnival 180 – April 2020: Kevin at kpknudson.com
Carnival 179 – March 2020: Paul at The Aperiodical
Carnival 178 – February 2020: Stormy at Storm Bear World
Carnival 176/177 – December 2019 & January 2020: the team at Ganit Charcha
Carnival 175 – November 2019: Pat & Steve at Woolly Thoughts & Mental Blocks
Carnival 174 – October 2019: Katie at aperiodical.com
Carnival 173 – September 2019: Peter at PeterKrautzberger.org
Carnival 172 – August 2019: Cassandra at Cassandra Lee Yieng’s blog
Carnival 171 – July 2019: William at MathTuition88
Carnival 170 – June 2019: Jim at Mathematical Enchantments
Carnival 169 – May 2019: Ari at Gereshes
Carnival 168 – April 2019: Ben at Math Off The Grid
Carnival 167 – March 2019: Tom at Tom Rocks Maths
Carnival 166 – February 2019: Ben at Math With Bad Drawings
Carnival 165 – January 2019: the team at Ganit Charcha
Carnival 164 – December 2018: the team at Life Through a Mathematician’s Eyes 
Carnival 163 – November 2018: Elias at The Math Section
Carnival 162 – October 2018: the team at Chalkdust Magazine
Carnival 161 – September 2018: Alex at CoDiMa
Carnival 160 – August 2018: Robin at Theorem of the Day
Carnival 159 – July 2018: Kartik at Comfortably Numbered
Carnival 158 – June 2018: Paul at The Aperiodical
Carnival 157 – April 2018: Becky at Lines, Curves, Spirals
Carnival 156 – March 2018: Robin at Theorem Of The Day
Carnival 155 – February 2018: Ben at Math Off The Grid
Carnival 154 – January 2018: Rachel at The Math Citadel
Carnival 153 – December 2018: the team at Ganit Charcha
Carnival 152 – November 2017: TD and Matthew at Chalkdust Magazine
Carnival 151 – October 2017: Frederick at White Group Mathematics
Carnival 150 – September 2017: Alexander at CoDiMa
Carnival 149 – August 2017: Mel at Just Maths
Carnival 148 – July 2017: Kartik at Comfortably Numbered
Carnival 147 – June 2017: Lucy at Cambridge Mathematics
Carnival 146 – May 2017: Peter at peterkrautzberger.org
Carnival 145 – April 2017: Katie at The Aperiodical
Carnival 144 – March 2017: Frederick at White Group Mathematics
Carnival 143 – February 2017: Robin at Theorem of the Day
Carnival 142 – January 2017: Manan at Math Misery
Carnival 141 – December/January 2017: the team at Ganit Charcha
Carnival 140 – November 2016: Tom at Mathematics and Coding
Carnival 139 – October 2016: Manjil at Gonit Sora
Carnival 138 – September 2016: Yen Duong at Baking and Math
Carnival 137 – August 2016: Evelyn and Anna at the AMS Blog on Maths Blogs
Carnival 136 – July 2016: Manan at Math Misery
Carnival 135 – June 2016: Gaurish at Gaurish4Math
Carnival 134 – May 2016: Kartik at Comfortably Numbered
Carnival 133 – April 2016: Matthew at Chalkdust Magazine
Carnival 132 – March 2016: Brent at The Math Less Travelled
Carnival 131 – February 2016: Katie at The Aperiodical
Carnival 130 – January 2016: Brian at Bit Player
Carnival 129 – December 2015: the team at Ganit Charcha
Carnival 128 – November 2015: Mike at Walking Randomly
Carnival 127 – October 2015: Tom at Mathematics and Coding
Carnival 126 – September 2015: Stephen at Cavmaths
Carnival 125 – August 2015: Nick at Data Genetics
Carnival 124 – July 2015: Manjil at Gonit Sora
Carnival 123 – June 2015: David at Mathematical Mystery Tour, Part 1 and Part 2
Carnival 122 – May 2015: Ed at Solve My Maths
Carnival 121 – April 2015: Ioana at Life Through a Mathematician’s Eyes
Carnival 120 – March 2015: Manan at Math Misery
Carnival 119 – February 2015: Frederick at White Group Mathematics
Carnival 118 – January 2015: Andrew at AndrewT.net
Carnival 117 – December 2014: Rachel at Plus Magazine
Carnival 116 – November 2014: Stephen at CavMaths
Carnival 115 – October 2014: William at MathTuition88
Carnival 114 – September 2014: Murray at SquareCirclez
Carnival 113 – August 2014: Mike at Walking Randomly
Carnival 112 – July 2014: Robin at Theorem of the Day
Carnival 111 – June 2014: Peter at Boole’s Rings
Carnival 110 – May 2014: Colin at Flying Colours Maths
Carnival 109 – April 2014: Tony at Tony’s Maths Blog
Carnival 108 – March 2014: John at Math Hombre
Carnival 107 – February 2014: Frederick at White Group Mathematics
Carnival 106 – January 2014: Katie at Blackboard Bold
Carnival 105 – December 2013: Oluwasanya at Mathemazier
Carnival 104 – November 2013: Shecky R at Math-Frolic
Carnival 103 – October 2013: Evelyn at Roots of Unity
Carnival 102 – September 2013: Michelle at My Summation
Carnival 101 – August 2013: Aperiodical team, at The Aperiodical
Carnival 100 – July 2013: Richard Elwes at Simple City
Carnival 99 – June 2013: Sol at Wild About Math
Carnival 98 – May 2013: Andrew at andrewt.net/blog
Carnival 97 – April 2013: Colin at Flying Colours Maths
Carnival 96 – March 2013: Sue at Math Mama Writes.
Carnival 95 – February 2013: Jorge at Maths Fact
Carnival 94 – January 2013: Paul at The Aperiodical
Carnival 93 – December 2012: Tosin at X in Vogue
Carnival 92 – November 2012: Frederick at White Group Mathematics
Carnival 91 – October 2012: Owen at Matheminutes
Carnival 90 –  September 2012: Mike at Walking Randomly
Carnival 89 – August 2012: Katie at The Aperiodical
Carnival 88 – July 2012: at cp’s mathem-o-blog
Carnival 87 – June 2012: John at Random Walks
Carnival 86 – May 2012: Brent at The Math Less Travelled
Carnival 85 – April 2012: Peter at Travels in a Mathematical World
Carnival 84 – December 2011: Guillermo at Mathematics and Multimedia
Carnival 83 – November 2011: Karyn at Teach Beside Me
Carnival 82 – October 2011: at the Vedic Maths Forum Blog
Carnival 81 – September 2011: Sol at Wild About Math
Carnival 80 – August 2011: Mike at Walking Randomly
Carnival 79 – July 2011: John at The Endeavour
Carnival 78 – June 2011: at JimWilder.com
Carnival 77 – May 2011: Fëanor at Jost A Mon
Carnival 76 – April 2011: Mike at Walking Randomly
Carnival 75 – March 2011: Daniel Colquitt
Carnival 74 – February 2011: Mike at Walking Randomly
Carnival 73 – January 2011: Mike at Walking Randomly
Carnival 72 – December 2010: Batman at Three Sixty
Carnival 71 – November 2010: at Theorem of the Day
Carnival 70 – October 2010: Daniel Colquitt (link broken; reposted 31/03/2012 at Mathematical Musings Tumblr)
Carnival 69 – September 2010: Jonathan at JD2718
Carnival 68 – August 2010: at Plus Magazine
Carnival 67 – July 2010: Peter at Travels in a Mathematical World
Carnival 66 – June 2010: Sol at Wild About Math
Carnival 65 – May 2010: Edmund at Maxwell’s Demon
Carnival 64 – April 2010: Mike at Walking Randomly
Carnival 63 – March 2010: Dan at Math Recreation
Carnival 62 – February 2010: John at The Endeavour
Carnival 61 – January 2010: Mike at Walking Randomly
Carnival 60 – December 2009: Nick at Sum Idiot
Carnival 59 – November 2009: Jason at The Number Warrior 
Carnival 58 – September 2009: Mike at Walking Randomly
Carnival 57 – September 2009: Batman at Three Sixty
Carnival 56 – August 2009: Rod Carvalho
Carnival 55 – July 2009: at Sowerby Maths (link broken)
Carnival 54 – July 2009: Todd and Vishal at Topological Musings
Carnival 53 – June 2009: Brent at The Math Less Travelled
Carnival 52 – May 2009: Jason at The Number Warrior
Carnival 51 – April 2009: Murray at SquareCircleZ
Carnival 50 – February 2009: John at The Endeavour
Carnival 49 – February 2009: Batman at Three Sixty
Carnival 48 – January 2009: yanzhang at Concrete Nonsense
Carnival 47 – January 2009: Jonathan at JD2718
Carnival 46 – Deceber 2008: Mike at Walking Randomly
Carnival 45 – December 2008: at TCM Technology Blog (private link)
Carnival 44 – November 2008: Edmund at Maxwell’s Demon
Carnival 43 – November 2008: Jason at The Number Warrior
Carnival 42 – October 2008: John at The Endeavour
Carnival 41 – October 2008: Batman at Three Sixty
Carnival 40 – September 2008: Barry at Staring at Empty Pages
Carnival 39 – August 2008: A at It’s the Thought That Counts
Carnival 38 – August 2008: at CatSynth
Carnival 37 – July 2008: Ian at Logic Nest
Carnival 36 – July 2008: Charles at Rigorous Trivialities
Carnival 35 – June 2008: at CatSynth
Carnival 34 – May 2008: Batman at Three Sixty
Carnival 33 – May 2008: Mike at Walking Randomly
Carnival 32 – May 2008: at TCM Technology Blog (private link)
Carnival 31 – April 2008: Jeffrey at Recursivity
Carnival 30 – April 2008: Jason at The Number Warrior
Carnival 29 – March 2008: Jordan at Quomodocumque
Carnival 28 – March 2008: Tyler and Foxy at Tyler and Foxy’s Scientific and Mathematical Adventure Land
Carnival 27 – February 2008: Jonathan at JD2718
Carnival 26 – February 2008: Batman at Three Sixty
Carnival 25 – January 2008: Mike at Walking Randomly
Carnival 24 – January 2008: Walt at Ars Mathematica
Carnival 23 – December 2007: Brent at The Math Less Travelled
Carnival 22 – December 2007: Sol at Wild About Math
Carnival 21 – December 2007: Ben at Secret Blogging Seminar
Carnival 20 – November 2007: Murray at SquareCircleZ
Carnival 19 – October 2007: Mark at Good Math, Bad Math
Carnival 18 – October 2007: Jonathan at JD2718
Carnival 17 – Septmber 2007: Dave at MathNotations
Carnival 16 – September 2007: Kurt at Learning Computation
Carnival 15 – August 2007: John at JohnKemeny.com
Carnival 14 – August 2007: Vlorbik at MathEdZineBlog
Carnival 13 – July 2007: Polymath at Polymathematics
Carnival 12 – July 2007: at the Vedic Maths Forum Blog
Carnival 11 – June 2007: Pi Guy at Grey Matters
Carnival 10 – June 2007: Dave at MathNotations
Carnival 9 – June 2007: Jonathan at JD2718
Carnival 8 – May 2007: Suresh at Geomblog
Carnival 7 – May 2007: Arunn at Nonoscience
Carnival 6 – April 2007: Graeme at Modulo Errors
Carnival 5 – April 2007: Charles at Science and Reason
Carnival 4 – March 2007: Jason at EvolutionBlog
Carnival 3 – March 2007: Michi at Michi’s Blog
Carnival 2 – February 2007: Mark at Good Math, Bad Math (Archived page)
Carnival 1 – February 2007: Alon at Abstract Nonsense

Carnival of Mathematics FAQ:

When are the carnivals published?

The Carnival of Mathematics gets published during the first week of the month. Math Teachers at Play, another maths carnival organised by Denise at LetsPlayMath, gets published during the third week.

I would like to host a carnival at my blog.  What should I do?

Check the list of upcoming Carnival hosts above, and then contact Katie to let her know you’re interested.

Who does the admin for the Carnival?

The Carnival of Mathematics is currently being organised by the Aperiodical. The Aperiodical will be taking responsibility for organising a host each month, and links to the monthly posts will be added here.

I’ve found a cool maths article that someone else has written.  Can I submit it to the carnival?

Yes, but in an ideal world it will be a recent post and should have never been submitted to one of the carnivals before. The best way to be sure of this, if the post is not your own, is to send in only something published since the last edition of the carnival.

Who decides what gets included in a carnival and what doesn’t?

The carnival hosts.  The carnival is just a guest on the host’s blog, and so what each host writes is entirely up to him or her.  In general, most carnival hosts will include almost everything that is submitted to them and a bit more besides.  However, if they choose NOT to link to something, then so be it.

Will the Carnival of Mathematics take articles on basic maths?

Yes — everything from kindergarten to cutting edge research is fair game for the Carnival of Math.  Basic mathematics can be submitted to either the Carnival of Mathematics, or Math Teachers At Play (as described above), but advanced maths should generally be submitted only to the Carnival of Math.

Do you accept articles from subjects such as computer science or physics?

As long as there is a reasonable amount of maths content, then yes.

Is there anything else I need to do, besides submitting my article?

No, there is nothing else you have to do. When the carnival is published, however, you may want to post a link to it on your blog. The carnival host will appreciate your support, and your readers will enjoy a chance to browse what other math bloggers have written.

Does the carnival have a twitter feed?

Yes. It can be found at @CarnivalOfMath.