01
A square is not a rectangle
Everyday language fights the definition. The child is not silly; the teaching skipped the hierarchy.
Topic hub
Geometry basics
Geometry is reasons about shape and space, not a list of names. Children struggle when a triangle is a picture they recognise but cannot say what must be true of it.
Why this concept matters
Class 9 proofs feel sudden only if Class 6–8 geometry was naming, not reasoning.
Misconceptions, in the order we see them
02
Looks equal, so it is equal
A sketch is treated as measurement. Reasons never replace the eye.
03
Angle names are decorations
∠ABC vs ∠BAC is a reading problem that becomes a marks problem.
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