All 8 chapters of Class 1 Mathematics Olympiad

Every topic prescribed for the International Mathematics Olympiad (IMO) by the Science Olympiad Foundation, taught through illustrated questions and parent-led prep guides.

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1. Number Sense

284 Questions • 20 Prep Guide Screens • 100% Free Forever
Free Forever

Counting concrete objects, numerals and number names up to 100, tens and ones place value, before, after and between, number line navigation, comparing numbers (>, <, =), ascending and descending order.

What your child will master:

Understanding that 47 is 4 bundles of ten and 7 loose ones; spotting numbers on a number line without finger-counting one by one; immediately identifying the number "just before" without starting from 1.

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2. Addition

306 Questions • 20 Prep Guide Screens • Included in Pass
Full Pass

Combining groups, counting on, addition on the number line, addition facts up to 20, making 10 pairs, commutative property through visual dominos, and real-life story problems illustrated as scenes.

What your child will master:

Knowing that 6 + 7 is the same as (6 + 4) + 3 without mechanical memorisation; reading picture stories where birds join a tree and solving without word confusion.

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3. Subtraction

324 Questions • 20 Prep Guide Screens • Included in Pass
Full Pass

Taking away objects, crossing out, counting backwards, finding the difference between two sets, subtraction on the number line, and missing addends (? + 4 = 9).

What your child will master:

Understanding both senses of subtraction: "take away 3 apples" vs "how many more apples does Aarav have than Riya" (comparison difference).

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4. Lengths, Weights & Comparing

278 Questions • 20 Prep Guide Screens • Included in Pass
Full Pass

Comparing lengths (longer, shorter, tallest), reading non-standard units (paperclips, blocks), balance scale comparisons (heavier, lighter, equal), and capacity (holds more / holds less).

What your child will master:

Understanding that an object that tilts a balance pan down is heavier; aligning objects to a common baseline before comparing length so optical illusions don't mislead them.

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5. Time & Calendar

242 Questions • 20 Prep Guide Screens • Included in Pass
Full Pass

Sequence of daily events (morning, afternoon, evening, night), order of weekdays (yesterday, today, tomorrow), months of the year, reading wall calendars, and identifying dates.

What your child will master:

Reading a monthly calendar grid to find which day of the week the 15th falls on; answering questions like "if Tuesday is a holiday, which day was yesterday?" with confidence.

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6. Money

293 Questions • 20 Prep Guide Screens • Included in Pass
Full Pass

Identifying genuine Indian currency: coins (₹1, ₹2, ₹5, ₹10) and notes (₹10, ₹20, ₹50, ₹100, ₹200, ₹500); adding coin values; comparing purses; making exact amounts for price tags.

What your child will master:

Distinguishing between coin quantity and total value; knowing that two ₹10 coins buy more than eight ₹1 coins; calculating how much money is left after buying a ₹15 toy with a ₹20 note.

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7. Shapes & Space

342 Questions • 21 Prep Guide Screens • Included in Pass
Full Pass

Flat 2D shapes (circle, triangle, square, rectangle); solid 3D shapes (sphere, cube, cuboid, cylinder, cone); rolling and sliding properties; tracing round a solid; counting shapes within complex pictures.

What your child will master:

Understanding that a tin can roll on its curved side AND slide on its flat face; accurately counting how many triangles form a rocket drawing; knowing a cube traces a square.

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8. Puzzles & Patterns

Currently in Authoring & Verification • Coming Soon
Coming Soon

Identifying repeating shape & color patterns; finding the missing piece in a matrix; odd-one-out reasoning; spatial orientation and grid journeys.

What your child will master:

Recognising rule-based sequences (A-B-B, A-B-B); deductive elimination; preparing for Section 1 (Logical Reasoning) of the Olympiad paper.

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