Junior Mental Calculation World Championship 2024

Registration is open for the Junior Mental Calculation World Championship 2024!

Since 2008 this international championship in mental calculation has taken place. Caroline Merkel and the team welcome all young people around the globe aged up to 19 to participate and challenge their skills.

I attended the 2018–2023 events as an official trainer, and I’ll be there again in 2024! Each event was a friendly and enjoyable weekend with 50+ participants from many countries, including Bulgaria, Algeria and India. There was additionally an online event in 2020.

The event will be held on the 21st–23rd September 2024 in Bielefeld (Germany). Here is a summary of the official schedule:

  • 20th September: most people are arriving
  • 21st September: training workshops and social events
  • 22nd September: training workshops and hectoc challenge
  • 23rd September: JMCWC competition and award ceremony
  • 24th September: remaining people are leaving

Please note that the Mental Calculation World Cup 2024 is one week before this, nearby in Paderborn (Germany).

Applications to Join

Please visit its official website for full details and future updates about the competition. Applications are accepted until 31st May 2024—you can read here the instructions for how to apply. Places are limited!

Note: please do not contact me (Daniel Timms) about applications—please follow the instructions above and speak with Caroline Merkel 🙂 Any information from the official website supersedes any information on this page.

Event Details & Preparation

The aim of the event is to share knowledge and methods with the participants. To facilitate this, the event includes free training the days before to prepare the students for the competition. The training will be coordinated by a small team of established international experts in mental calculation such as Daniel Timms (myself), Willem Bouman, George Lane, and others.

Entrants will compete in their age category:

  • under 12 years
  • under 15 years
  • under 20 years

The competition will be a 2-hour written exam, where participants must not write down anything except the answers! Here are some resources to help students prepare:

If you’re interested in mental calculation and born after 2004-Sep-23, or you’re a parent/trainer of someone who is, I hope to see you there in Germany this October!

Photo credit: Andreas Mohn Foundation, who have kindly sponsored this event in recent years

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