Lesson 01
Perpendicular Lines
Recognize perpendicular lines and prove right-angle relationships.
Open lesson →Chapter 16: Lines and Shapes
6 lessons · 1 consolidation units · chapter review and exam
Internally reviewed instructional baseline. External educator/learner testing, human scoring of student constructions, and live-host verification remain pending.
Instructional lessons
Lesson 02
Parallel Lines
Recognize parallel lines and justify constant separation.
Open lesson →Lesson 03
Drawing Perpendicular and Parallel Lines
Construct parallel/perpendicular lines with ruler/set square/grid.
Open lesson →Lesson 04
Quadrilaterals
Classify squares, rectangles, parallelograms, rhombuses, trapezoids where definitions are stated.
Open lesson →Lesson 05
Lines of Symmetry
Find valid reflection axes and explain superposition.
Open lesson →Lesson 06
Symmetrical Figures and Patterns
Complete reflection patterns on grids across horizontal/vertical lines.
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