IB Class 4Subject library

IB Class 4 Mathematics

Chapter-wise notes, previous year papers, sample papers and Q&A for IB Class 4 mathematics — free, syllabus-aligned, exam-ready.

14 chapters~220 min read totalFree · printable

Chapters

14 chapters — sequenced for revision and exam prep.

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Shapes Around Us

The opening chapter of CBSE Class 4 Mathematics (Maths Mela). Children explore flat (2D) and solid (3D) shapes, describe solids by their faces, edges, and corners, and learn how a flat net folds into a 3D shape. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

Hide and Seek

A CBSE Class 4 Mathematics (Maths Mela) chapter on seeing objects from different views and finding positions on a grid. Children learn the top, front, and side views of objects, and use grids and directions to describe and find places. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 15 minRead chapter

Pattern Around Us

A CBSE Class 4 Mathematics (Maths Mela) chapter on patterns — in shapes, colours, and numbers. Children find the rule of a pattern, extend and create patterns, sort even and odd numbers, and explore tiling (tessellation). These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 15 minRead chapter

Thousands Around Us

A CBSE Class 4 Mathematics (Maths Mela) chapter that takes numbers beyond 999 into thousands. Children read, write, and compare four-digit numbers, build them from thousands, hundreds, tens, and ones, and use expanded form. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

Sharing and Measuring

A CBSE Class 4 Mathematics (Maths Mela) chapter that builds fractions through equal sharing. Children learn parts and wholes, one-half and one-quarter, how shares change as more people share, and how to compare simple fractions. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

Measuring Length

A CBSE Class 4 Mathematics (Maths Mela) chapter on measuring length. Children learn the units millimetre, centimetre, metre, and kilometre, choose the right unit, estimate and measure, convert between units, and compare lengths. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

The Cleanest Village

A CBSE Class 4 Mathematics (Maths Mela) chapter set in Mawlynnong, Asia's cleanest village. Through real-life situations — cleaning schedules, shopping, and managing waste — children practise addition, subtraction, estimation, number pairs, and money problems. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

Weigh it, Pour it

A CBSE Class 4 Mathematics (Maths Mela) chapter on weight and capacity. Children learn grams and kilograms for weight, millilitres and litres for capacity, choose the right unit, convert between units, and compare. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

Equal Groups

A CBSE Class 4 Mathematics (Maths Mela) chapter on multiplication and division through equal groups. Children use repeated addition, arrays, skip counting, doubling, and tables, and see how multiplication and division are linked. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

Elephants, Tigers, and Leopards

A CBSE Class 4 Mathematics (Maths Mela) chapter that practises addition and subtraction of larger numbers using India's wildlife counts. Children add and subtract three- and four-digit numbers, read data from a map, and solve real word problems about elephants, tigers, and leopards. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

Fun with Symmetry

A CBSE Class 4 Mathematics (Maths Mela) chapter on symmetry. Children learn what a line of symmetry is, test shapes by folding or using a mirror, find shapes with more than one line of symmetry, and complete symmetrical figures. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 15 minRead chapter

Ticking Clocks and Turning Calendar

A CBSE Class 4 Mathematics (Maths Mela) chapter on time. Children read clocks (o'clock, half past, quarter past, quarter to), use a.m. and p.m., read a calendar, and find how long something takes. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

The Transport Museum

A CBSE Class 4 Mathematics (Maths Mela) chapter on multiplication and division, set in a transport museum. Children learn tables up to 20, multiply by 10, 20, 50, and 100, and divide with and without remainders through real travel problems. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 16 minRead chapter

Data Handling

The final CBSE Class 4 Mathematics (Maths Mela) chapter, on data handling. Children collect and organise data into tables, and read and make pictographs and bar graphs to answer questions. These notes give core ideas, worked examples, an activity, common mistakes, a practice set with answers, and quick revision.

CBSE⏱ 15 minRead chapter