Global Math Challenge Selections open for registration

Sign up today and meet the world through math

is one of the largest worldwide online contests for math lovers aged 6 and up. More than 280,000 challengers have participated since the first edition to test their ability to think flexibly and mathematically.
This year in Global Math Challenge Selections, we have selected the best puzzles out of those that were provided in the past editions.
排列三511历史统计 We are super excited to have participants from around the world again!


  • Registration: September 25 – October 28, 2018 
  • Contest (individuals): October 26 – 28, 2018
  • Contest (schools): October 15 – 28, 2018

How to take part

排列三511历史统计here are the steps to join in:

  1. Create an account at
  2. Choose a
  3. Register for the contest from
  4. (School users only)
    Print out the IDs and passwords of your students
  5. Take part in the contest anytime during Oct. 26 – 28
    (Oct. 15 – 28 for schools)

You can learn more about the contest .
If you need any help on the registration please see our
If you can’t find an answer, please contact us at:

排列三511历史统计sign up today and enjoy the contest packed with fun puzzles!