← GCSE Mathematics

G1 Conventions, terms, symmetry

Currently Developing · last touched 2026-11-03

Shapes with no lines and diagonal-only lines not yet counted. Worksheet unmarked. Video unwatched.

Every change

WhenChangeEvidenceSession
2026-11-03Gap → Developing3 Nov, non-calc. Confirm 2/2: fold rule in her words, rectangle diagonal rejected cold with the fold reason. Apply 2/2 unaided on shapes shown as pictures: isosceles trapezium 1, plus cross 4. 0 blank. Gap -> developing. Video not watched; worksheet answers photographed but unmarked.session 143
2026-11-02Gap → Gap2 Nov: opened only. Worksheet tried alone 09:17-09:46; answers not checked against the sheet (pictures not visible). Say-back: 'the thing on both sides of the line is the same' (partial). Long rectangle's diagonal: 'yes' (wrong). A4 fold: 'bits stick out' (right). Rule re-ask not answered at 'times up'. 0 unaided counts on fresh shapes run.session 138

In papers

No marked question has been recorded against this topic yet.

Materials

Corbettmaths: Line Symmetry Video
Counting lines of symmetry.
video
Corbettmaths: Line Symmetry worksheet
Lines of symmetry on shapes and signs (Video 316).
practice
BBC Bitesize: GCSE Maths (AQA)
Reading pages on geometric conventions and terms.
notes