K12 Math Contests
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Editor’s Pick for Today

Grade K-2

Online International Math Challenge🇹🇭Online Math Challenge is an exhilarating platform that offers an immersive online math experience, captivating students and enthusiasts with its dynamic approach to mathematical problem-solving. With a commitment to nurturing critical thinking and analytical skills, Math Challenge presents a diverse range of math challenges, encouraging participants to explore, learn, and excel in the fascinating realm of numbers.
Hong Kong Mathematics Kangaroo Contest🇭🇰MKC is one of the largest mathematics competitions in the world. The contest was first held in France in 1991 and was named “kangaroo” because the contest format drew from the previously held Australian Mathematics Competition. As MKC became very popular among students, the contest has first spread from France to European countries, and has further expanded to around the world. Now, MKC is coordinated globally by “Association Kangourou Sans Frontières” (AKSF). Magic Square Association (MSA) is the official organiser of MKC in Hong Kong as well as Macau. MSA aims to promote the mathematical education in Hong Kong and Macau. To participate in the contest, students in kindergarten, primary, or secondary schools must meet at least one of the following criteria: - Students registered in schools located in Hong Kong or Macau. - Permanent residents of Hong Kong or Macau. - Holders of valid visas issued by the Hong Kong SAR or the Macau SAR government.

Grade 3-5

International Spirit of Math Contest🇨🇦The International Spirit of Math Contest is presented by Spirit of Math®, the global leader in math enrichment for high-performing students and teacher training for over 30 years. With more than 30 years of success and over 11,000 students enrolled in over 40 campuses across Canada, USA, and Pakistan, Spirit of Math® is changing the equation for math minds around the world. Held globally, the International Spirit of Math Contest gives students from grades 1 to 6 the opportunity to prepare, apply, and showcase their knowledge on the global stage. The contest provides an opportunity for students to have fun and to develop their mathematical problem-solving abilities.
Australian Mathematics Competition🇦🇺First run in 1978, the Australian Mathematics Competition is Australia’s longest running, largest and most well-known maths competition for school students. The AMC contains unique problems designed each year by leading educators and academics to challenge and extend students’ problem-solving skills.

Grade 6-8

Math Open At Andover🇺🇸The Math Open At Andover is an annual mathematics competition for middle schoolers, hosted by Phillips Academy Andover in Andover, Massachusetts. Through MOAA, middle school students can experience mathematical exploration, collaboration, and competition. Students can attend if they are in 8th grade or below. Teams consist of 1 to 4 students with no restrictions (as everything will be virtual, team members can be from different schools, different states, or even different countries).
Canada Jay Mathematical Competition🇨🇦Canada Jay Mathematical Competition (CJMC) is a Canadian math competition open to students in grades K-8. This competition has been created by mathematicians from across Canada. It was renamed in 2022 from the original name Canadian Mathematical Gray Jay Competition (CMGC) to match the renaming of the Canada Jay bird. The CJMC is 90 minutes long, consisting of 15 multiple-choice questions based on the grades 5-8 curriculum. The problems are meant to be a fun fall activity for students and teachers to complement their math curriculum and build students’ problem solving skills. The CJMC offers engaging problems that allow for discussion after the competition and get students excited about math. The competition has 15 questions which take place over 90 minutes. It consists of 3 blocks of 5 questions with an increasing level of difficulty from beginning to end.
Purple Comet! Math Meet🇺🇸The Purple Comet! Math Meet is a free, annual, international, online, team, mathematics competition designed for middle and high school students that has been held every year since 2003. Teams of from one to six students compete by submitting solutions to a list of mathematics problems. There is a ten-day window during which teams may compete choosing a start time most convenient for them. The problems range in difficulty from fairly easy to extremely challenging.

Grade 9-12

Baltic Way Mathematical Contests🌍The Baltic Way team competition is held on the shore of the Baltic Sea every autumn since 1990. The name of the competition comes from the mass demonstration for the freedom of the Baltic States organised on August 23, 1989, when people from Estonia, Latvia and Lithuania stood hand in hand along the road from Tallinn to Vilnius. The rules of the competition are simple: each country sends a team of 5 high school students, who are expected to solve 20 problems within 4.5 hours. During this time, the team members can and must communicate — otherwise they would not be able to solve such a quantity of problems. Hence, Baltic Way is not only about mathematical knowledge, but also about cooperational skills. For the first two years, only teams from Estonia, Latvia and Lithuania took part in the event, but later all the other countries surrounding the Baltic Sea (and also Iceland) joined in. Thus, the contest is now normally held among 11 teams: Denmark, Estonia, Finland, Germany (represented mainly by Rostock and Hamburg), Iceland, Latvia, Lithuania, Norway, Poland, Russia (represented by St. Petersburg) and Sweden. Sometimes organisers also invite a guest team to take part in the contest. In 2001, there was a guest team from Israel, in 2004 and 2014, from Belarus, in 2005, from Belgium, in 2011, from South Africa, in 2015, from the Netherlands, and in 2021, from Ireland.
European Mathematical Cup🇭🇷The European Mathematical Cup (abbr. EMC) is a high school mathematics competition organized by the Croatian association Young Gifted Mathematicians Marin Getaldić in cooperation with various wonderful professors and university students who help organize the competition internationally. The competition is divided into two categories: Junior (students younger than 17 on the day of the competition and who have never participated at the IMO) and Senior (other high-school students or exceptional elementary school students). A student who satisfies the criteria to compete in the Junior category can choose to compete in the Senior category instead. The duration of the competition for both categories is 4 hours. Within that time, the students attempt to solve 4 problems, one from each of the following areas: algebra, combinatorics, geometry and number theory. Modelled by the rules of other international competitions such as the IMO, the only instruments permitted in the competition are the writing and drawing instruments. The use of formulas, calculators and other instruments is prohibited. In terms of required knowledge, the problems are similar to the IMO problems, albeit the problems of the Junior category are usually more elementary and require less knowledge.
Alberta High School Mathematics Competition🇨🇦The Alberta High School Mathematics Competition (A.H.S.M.C.) is an annual mathematics competition for high school students in Alberta. The A.H.S.M.C. consists of two Rounds. The students write the contest in their own schools. Calculators are not allowed. The First Round is an 80-minute paper, consisting of 16 multiple-choice questions. The Second Round is a 3-hour paper, consisting of 5 problems requiring full solutions.