Math
Fourteen chapters across Part I and Part II — numbers, algebra, geometry, data — each grounded in real-world questions before formulas appear.
01
Large Numbers Around UsLakhs, crores, and the Indian vs international systems — with a farmer's rice varieties.
→
02Arithmetic ExpressionsBODMAS, brackets, and why 2 + 3 × 4 is not 20.
→
03A Peek Beyond the PointDecimals: smaller units of measurement — screws, lengths, place value extended.
→
04Expressions Using Letter-NumbersShabnam is 3 years older than Aftab — introducing variables and algebra.
→
05Parallel and Intersecting LinesFold paper, draw lines — discover how lines meet, cross, or stay forever apart.
→
06Number PlayPuzzles, patterns, palindromes — what secret stories do numbers tell?
→
07A Tale of Three Intersecting LinesTriangles: sides, angles, construction — the most basic closed shape explored.
→
08Working with FractionsMultiplying and dividing fractions — Brahmagupta's ancient methods brought alive.
→
09Geometric TwinsCongruence: when are two figures exactly the same? SSS, SAS, ASA and more.
→
10Operations with IntegersMultiply and divide positive and negative numbers — Brahmagupta's rules come alive.
→
11Finding Common GroundHCF and LCM: tile a room perfectly, synchronise traffic lights, simplify fractions.
→
13Connecting the Dots…Mean, median, and mode — what do cricket scores and onion prices really tell us?
→
14Constructions and TilingsCompass, ruler, and the ancient art of geometric constructions and tessellations.
→
15Finding the UnknownEquations: balance scales, do the same to both sides, solve for x.
→