Primary School (K–5) Math Contests: A Parent’s Directory
Published · Grade band: Primary (K–5) · Topic: Mathematics
Ask around for math competitions and almost everything you find is built for high schoolers. The famous acronyms — AMC, AIME, USAMO — all begin in middle school at the earliest, and most contest directories simply stop there. Yet the strongest competition mathematicians almost always describe the same origin story: a parent or teacher who put an interesting problem in front of them somewhere between first and fifth grade.
The good news is that a real circuit of contests exists for elementary students. The bad news is that the information about them is scattered across organizer websites, school newsletters, and word of mouth. This directory page pulls the major K–5 options into one place and compares them on the four questions parents actually ask: who can enter, what the contest looks like, what it costs, and when registration happens. One caveat before we begin: contest calendars shift slightly every year, so always verify current dates, fees, and deadlines on the organizer’s official site before planning around them.
Math Kangaroo — the broadest on-ramp
Math Kangaroo is the most accessible entry point for young students, and the only major contest on this page that welcomes children as early as first grade. It is an international competition — run in dozens of countries around the world — held once a year, traditionally on a single day in March. Students sit a multiple-choice paper of puzzle-flavored problems matched to their grade level; there is no qualifying round, no team requirement, and no prerequisite beyond curiosity.
Registration in the United States is individual rather than school-based, which matters for homeschooling families and for students whose schools run no math programs at all. The U.S. registration window has typically opened in mid-September and run through mid-December for the following March’s contest, with a modest per-student fee. Because the window closes months before the contest date, this is the one deadline elementary families most often miss — if your child is interested, check the official site in early fall and verify the current window rather than waiting until winter.
The character of the problems is what sets Math Kangaroo apart. They reward reasoning and pattern-spotting over computation speed, which makes the contest a genuinely pleasant first experience even for students who have never seen a competition paper before.
MOEMS — the team experience
Math Olympiads for Elementary and Middle Schools (MOEMS) is the classic American elementary math olympiad, founded in 1979 by the educator George Lenchner. Unlike Math Kangaroo’s single contest day, MOEMS is a season: enrolled teams take a series of five short monthly contests spread across the school year, roughly November through March, administered locally by a coach — usually a teacher or parent volunteer.
Two divisions exist. Division E serves roughly grades 4–6, and Division M serves the middle grades above it, so for a K–5 audience MOEMS effectively begins in fourth grade. Registration is by team rather than by individual student, with team enrollment generally opening in late summer ahead of the fall season — verify the current enrollment period on the official site, since it precedes the first contest by a couple of months. If your child’s school has no team, MOEMS permits teams organized through homeschool groups, math circles, and community organizations, and starting one is a well-trodden path: the organization publishes coaching materials and decades of past problems precisely so that a willing parent can run a team without being a mathematician.
The five-contest structure is MOEMS’s pedagogical advantage. A student who stumbles in November gets four more chances, and the month between contests is natural practice rhythm. For children who find one-shot contest days stressful, this format is the kinder introduction.
Continental Mathematics League — the in-school option
The Continental Mathematics League (CML) is less visible to parents because it is sold to schools rather than to families: teachers register grade-level groups and administer several short “meets” during class time across the school year. Its reach into the early grades is notable — CML offers divisions beginning around second and third grade, younger than MOEMS serves — and the problems are deliberately approachable, sitting closer to enriched classwork than to olympiad puzzles.
Because registration runs through schools, the practical step for a parent is simply to ask whether your school participates, and if not, to forward the league’s information to a teacher who might sponsor it. The per-group cost is modest by school-program standards, which makes it one of the easier asks a parent can make of an administrator.
Beestar — the ongoing online program
Beestar is a different animal from the three contests above: it is an online program built around short weekly exercise sets, with national rankings and honor-roll recognition layered on top, rather than a single annual contest day. Its core math track has long been offered free, with more advanced subjects available as paid options — check the current offering on the official site, as program tiers change more often than contest calendars do.
For families, Beestar functions best as the connective tissue between contests — ten to twenty minutes a week that keeps a young student in problem-solving shape between a March Math Kangaroo and a fall MOEMS season. The competitive element is gentle: students see how they rank, but nothing rides on it.
Also worth knowing: Noetic Learning Math Contest
One contest that deserves a place beside the big four is the Noetic Learning Math Contest, a semiannual problem-solving contest for elementary and middle-grade students that runs in both fall and spring. Registration is flexible — schools, teams, and home educators can all enter — and the twice-yearly cadence makes it a useful complement to the once-a-year contests above. As ever, confirm the current contest windows on the organizer’s site.
Comparing the options at a glance
- Earliest entry: Math Kangaroo (grade 1) and CML (around grade 2) reach the youngest students; MOEMS begins around grade 4.
- Individual vs. team: Math Kangaroo is individual; MOEMS and CML are team- or school-based; Beestar and Noetic accommodate both.
- Format: Math Kangaroo is one annual contest day; MOEMS is five monthly contests; CML runs several in-school meets; Beestar is continuous weekly practice.
- Registration pressure point: Math Kangaroo’s fall registration window for the March contest is the deadline families most commonly miss.
- No school program required: Math Kangaroo and Beestar work for any family directly; MOEMS works through a parent-organized team; CML and (often) Noetic route through a school or group.
How to choose for your child
For a first-ever contest experience, start with Math Kangaroo: the problems are friendly, the stakes are low, and every grade from first up has a paper. If your child is in fourth or fifth grade and your school has — or could start — a team, add MOEMS for the sustained season format. Use Beestar or Noetic to keep momentum between contest dates, and mention CML to a receptive teacher if your school runs nothing at all.
The deeper principle is that at this age the contest matters far less than the experience of meeting a problem that doesn’t yield on the first try. Any of the programs above can deliver that. Pick the one whose logistics actually fit your family, register early, and verify every deadline against the official source — then let the puzzles do the work.
About this directory: Meli Review is building an independent directory of academic contests for students from primary school through university. The site carries forward the editorial standards of The Melic Review, the online poetry journal whose complete 27-issue archive remains preserved here, including its final issue. Contest details on this page were accurate to the best of our review at publication; organizers change dates and fees yearly, so always confirm with the official sources linked above.