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Compare the top Olympiads

Top 5 primary-school maths
Olympiads, unpacked.

Five exams, five different flavours. Not sure which one? Take our quick quiz.

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SOF IMO

SOF International Mathematics Olympiad

Science Olympiad Foundation (SOF)

India's most popular school-level maths Olympiad with a detailed performance report.

35 Qs60 minutes2 levels
Explore exam
SilverZone iOM

SilverZone International Olympiad of Mathematics

SilverZone Foundation

A globally administered Olympiad focused on problem-solving and mental ability.

30 Qs40 minutes3 levels
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Unified UIMO

Unified International Mathematics Olympiad

Unified Council

A curriculum-based Olympiad testing thought-provoking application of fundamentals.

50 Qs60 minutes1 level
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ITO IMO

International Maths Olympiad (Indian Talent Olympiad)

Indian Talent Olympiad

A platform to test arithmetic and geometric proficiency with monthly practice tests.

35 Qs65 minutes2 levels
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CREST CMO

CREST Mathematics Olympiad

CREST Olympiads

A fully online Olympiad with instant analysis and a flexible exam window.

35 Qs60 minutes2 levels
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Side-by-side comparison

 SOF IMOScience Olympiad FoundationSilverZone iOMSilverZone FoundationUnified UIMOUnified CouncilITO IMOIndian Talent OlympiadCREST CMOCREST Olympiads
OrganiserScience Olympiad FoundationSilverZone FoundationUnified CouncilIndian Talent OlympiadCREST Olympiads
Total questions3530503535
Duration60 mins40 mins60 mins65 mins60 mins
Exam modeOffline (in school)Offline (in school)Offline & OnlineOnline (annual + monthly)Online only
Number of levels23122
Marking scheme30×1M, 5×2M (Total 40)20×3M, 5×3.5M, 5×4.5M (Total 100)50×1M (Total 50)35×1M (Total 35)25×1M, 10×2M (Total 45)
Report providedYes — Student Performance Report (SPR)Yes — Chapter-wise Performance Analysis ReportYes — Graphical Performance ReportYes — Detailed Performance ReportYes — Detailed Performance Report
School dependencySchool onlySchool onlySchool or Individual (online)School or IndividualSchool or Individual
EligibilityClasses 1 to 12Classes 1 to 12Classes 1 to 10Classes 1 to 10Nursery to Class 12
Exam window23 Oct · 26 Nov · 10 Dec 20268 Oct · 18 Nov · 7 Dec 202611 Dec 2026 (Offline) · 10 Jan 2027 (Online)R1: 1 Dec 2026 · 9 Jan 2027 · R2: qualifiersR1: 10 & 19 Dec 2026 · R2: 9–10 Feb 2027
RegistrationBy August 2026 (via school)By 31 Aug 2026Before Nov (Offline) / Jan (Online)Individual: by 30 Oct 2026By November 2026
Approx. fee₹170₹150₹150₹240 (R1) + ₹120 (R2, qualifiers only)₹275
What's different
Largest & most trusted

India's biggest maths Olympiad by participation. Balanced 4-section format (LR + MR + EM + Achievers) with the industry-standard Student Performance Report.

Weighted marks + 3 levels

3-level competition ending in an International Round in New Delhi. Only Olympiad with per-section marks weighting — Math 3M, Reasoning 3.5M, Scholar's Zone 4.5M.

Single-level + Critical Thinking

Just one exam, no multi-round commitment. Uniquely includes a dedicated Critical Thinking section, and at Class 5 tests beyond-grade content (percentage, ratio, speed).

Online + monthly practice

The only Olympiad with year-round Monthly practice tests. 100% online — individual registration accepted with no school dependency.

Home-online + Achiever's-heavy

Fully online with webcam-proctored home exam. Achiever's section carries 2× marks. No standalone reasoning section — logic is baked into applied word problems.

Syllabus focus
  • Content extends to 5- and 6-digit numbers, Roman numerals, introductory decimals, more complex fractions, perimeter, symmetry.
  • Same four-section format as Class 3 — LR 10 + MR 10 + EM 10 + Achiever's 5 × 2M.
  • Reasoning adds direction-sense tests and embedded figures; Achiever's questions often combine multiple topics into one problem.
  • Content bumps to the unitary method, types of triangles/quadrilaterals, perimeter, introductory area, layered fractions/decimals.
  • Same 20/5/5 three-section structure with weighted marks (3 / 3.5 / 4.5).
  • Reasoning + Scholar's Zone together are worth 40% of marks — calculation strength alone is not enough to score well.
  • Content covers Class 4 topics — larger numbers, factors/multiples introduction, unitary method, angles, triangles, complex fractions.
  • Same 50×1M / 3-section format (Maths 35 + LR 10 + CT 5) as Class 3.
  • Critical Thinking becomes more analytical — data interpretation, pattern-application, small logic scenarios.
  • Standard Class 4 curriculum — 6-digit numbers, Roman numerals, arithmetic, fractions, decimals introduction, geometry, measurement, data handling.
  • Same 22/3/10 section structure — every question 1 mark.
  • Reasoning adds coding-decoding, sequencing and analogies. No premium section, no beyond-grade content, no surprises.
  • Content shifts to 5-digit numbers, factors and multiples, symmetry, spatial design, more advanced measurement.
  • Same 25×1M + 10×2M structure. No standalone reasoning section — logic is baked into word problems.
  • Achiever's questions test multi-step spatial reasoning and combine geometry with arithmetic in single problems.

Fees and dates are approximate and change yearly — always confirm on the official site linked from each exam page.