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Geometry & Trigonometry
Angles, shapes, measures, constructions and trig
4.1
Angles, lines & triangles
Angle facts; parallel lines; triangle sums/types.
90 sheets19 videos
4.2Polygons
Properties; interior/exterior angle sums.
28 sheets3 videos
4.3Symmetry
Line and rotational symmetry.
16 sheets1 videos
4.4Measures
Scales, time, bearings; compound measures.
60 sheets5 videos
4.5Constructions & loci
Perpendicular/angle bisectors; scale drawings; loci.
64 sheets8 videos
4.6Circle properties
Circle geometry & theorems with chords/tangents.
55 sheets12 videos
4.7Geometrical reasoning
Give informal proofs/reasons for angle results.
39 sheets
4.8Trig & Pythagoras
Right‑triangle trig; Pythagoras; sine/cosine rule; area; 3D trig.
101 sheets6 videos
4.9Mensuration (2D)
Perimeter; areas incl. circles/sectors.
156 sheets13 videos
4.103D shapes & volume
Surface area & volume of prisms, cylinders, spheres, cones.
120 sheets2 videos
4.11Similarity
Length, area, volume scale factors; solve similar shape problems.
52 sheets6 videos
REV-GEOGeometry Revision
Review worksheets and mixed practice for Geometry.
12 sheets