Author note — to cover

Defining side, angle, parallel and symmetry properties of square, rectangle, parallelogram, rhombus, trapezium and kite, stated precisely and compared, then applied to justify claims per G4's derive and apply. Diagonal properties and the inclusive hierarchy are sibling pages; area formulas live on Mensuration. Both tiers. (G4)

• Fluency — direct questions on the special quadrilaterals, limited to this lesson's stated scope (4 questions).
• Application — use the same skill in unfamiliar or contextual questions without introducing a later method (4 questions).
• Check — questions built around the exclusions and likely misconceptions named in the lesson brief (4 questions).