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IMO Maths · Class 5

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SOF IMO SYLLABUS 2025-26

Maths Olympiad
Think & Solve Book — Class 5

Not more sums — better thinking. Every rule is shown with a worked example you can unfold step by step, then practised in a game. Free, forever.

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🧾 The IMO paper at a glance

Level 1 pattern — 50 questions, 60 marks, 60 minutes.

Section Questions Marks each Total
🧩1 · Logical Reasoning
Patterns, coding, mirror images, directions
15 1 15
🔢2 · Mathematical Reasoning
Numbers, fractions, geometry, measurement
20 1 20
🛒3 · Everyday Mathematics
The same maths, inside real-life word problems
10 1 10
🧠4 · Achievers Section
Higher order thinking — worth 3 marks each!
5 3 15
Total 50 — 60

💡 Notice that the last 5 questions carry 3 marks each — that is a quarter of the paper. Never leave the Achievers Section for the final two minutes.

📑 Contents — all 14 topics

All 14 chapters are ready to play — dive in!

Section 1 · Logical Reasoning

🧩
CHAPTER 1 READY

Patterns, Analogy & Classification

Number and shape patterns, "is to" analogies and odd-one-out.

6 activities · Start →

🔐
CHAPTER 2 READY

Coding–Decoding

Alphabet positions, the EJOTY trick, shift codes and symbol codes.

6 activities · Start →

🪞
CHAPTER 3 READY

Mirror Images & Embedded Figures

What a shape looks like in a mirror, and counting hidden shapes.

6 activities · Start →

🧭
CHAPTER 4 READY

Direction Sense & Ranking Test

Turning left and right, working out distances, and position in a line.

6 activities · Start →

📅
CHAPTER 5 READY

Days, Dates & Combinations

Calendar questions, and counting how many ways something can be done.

5 activities · Start →

Section 2 · Mathematical Reasoning

🔢
CHAPTER 6 READY

Numerals, Number Names & Number Sense

Place value up to lakhs, number names, comparing and rounding.

6 activities · Start →

➗
CHAPTER 7 READY

Computation Operations

BODMAS order of operations, factors, multiples, HCF and LCM.

5 activities · Start →

🍕
CHAPTER 8 READY

Fractions & Decimals

Equivalent fractions, comparing, adding, and decimal conversions.

5 activities · Start →

📏
CHAPTER 9 READY

Measurement & Conversions

Length, weight, capacity, time and money conversions.

5 activities · Start →

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CHAPTER 10 READY

Shapes, Solids & Angles

Flat shapes and solids, their faces and edges, and measuring angles.

5 activities · Start →

🟩
CHAPTER 11 READY

Perimeter, Area & Symmetry

Perimeter of any shape, area of a rectangle and square, and symmetry.

5 activities · Start →

📊
CHAPTER 12 READY

Data Handling

Reading pictographs, bar graphs and tables.

4 activities · Start →

Sections 3 & 4 · Applying it all

🛒
CHAPTER 13 READY

Everyday Mathematics

Shopping bills, journeys and sharing — real-life word problems.

5 activities · Start →

🧠
CHAPTER 14 READY

Achievers Section (HOTS)

The 3-mark questions that mix two or three topics into one problem.

4 activities · Start →

🚀 How toppers prepare for the IMO

🧠 Understand the concept, don't memorise steps

Olympiad questions are twisted on purpose. If you only memorised a method, a small twist will break it. Always ask "why does this work?"

📓 Keep a formula & trick notebook

One page per topic: the rule, one solved example, one mistake you made. Read it the night before the exam instead of a fat book.

⏱️ Practise with a clock

50 questions in 60 minutes is a little over a minute each. Take the mock tests here with a timer beside you.

✍️ Always use rough paper

Write the gaps under a number series. Write the alphabet before a coding question. Mental maths alone causes silly mistakes.

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Preparing for IMO, IEO or JNVST?

Olympiad and reasoning practice is built into our Future-Ready Thinkers program (Class 4–10) — small offline batches at Chail Chowk, Mandi.

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