11+ Maths

Symmetry in the 11+ — Questions, Worked Answers and Practice Papers

Lines of symmetry, reflection and simple transformation ideas in 11+ Maths papers.

68 Papers
2.1 Avg Qs / paper
1.65 Typical marks
41 sec Target time

What examiners actually ask

Symmetry appears in 68 of our 338 ready papers (146 tagged questions). It averages 2.1 questions a paper worth about 1.65 marks each. The typical question allows around 41 sec. It appears in 1 CSSE paper we hold.

Symmetry questions ask children to spot or draw lines of symmetry, complete reflections, and sometimes describe a simple transformation. Papers use shapes on grids and pattern tiles. Children who draw a line that “looks balanced” without checking fold-matching lose marks. Teach tracing or mental folding as a check, and count lines systematically on regular shapes. Reflection questions need careful attention to distance from the mirror line. Practise on squared paper so spacing stays honest under timed conditions. When a shape has several possible lines, tick each candidate against every vertex before committing — one mismatched point is enough to cost the mark.

Worked example

A real tagged question from our catalogue — method included, not paywalled.

LHS11+Specimen Y7 Maths Entrance Exam.171992864 · Question 11b · 2 marks · Reflection

Correct answer
Method

Common mistakes

  • Drawing a line of symmetry that does not map every point correctly.
  • Reflecting a shape but changing its distance from the mirror line.
  • Assuming every shape has the same number of symmetry lines.
  • Confusing rotational symmetry language with line symmetry.

Papers with the most Symmetry questions

Ranked from our tagged catalogue — open a paper to practise the questions that actually test this topic.

Find what is actually costing marks

Not sure whether symmetry is the problem? Mark any past paper on 11plusSolved and the report tells you which topics are costing marks — and how many.