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It is important that the students see Mathematics as enjoyable and fulfilling. We believe an active interest in mathematics is essential for students to achieve their potential. Therefore, girls are expected and encouraged to take an active part in their learning and to perform to the best of their ability. Because of this, a strong commitment to learning is expected from all students.


In all our dealing with students we reflect the aims and Christian nature of the school, treating all with respect and pay special attention to recognising achievement. To this end, each week a student may be chosen to be mathematician of the week. They receive a certificate to commemorate their success and a place in the department’s “hall of fame”, (especially popular with Old Thorntonians).


You can view some of Mrs Hancock's maths lessons using the link below.  They may be helpful to parents too!

View this lesson about Adding Fractions.

View this lesson about Recurring Decimals To Fractions.

View this lesson about Factorising Quadratics - Harder.

View this lesson about finding the Mean

View this lesson about Estimated Mean


During Year 7 all pupils are initially taught in mixed ability teaching groups before being set. All girls have five or six mathematics lessons per week depending on year group. 

  • Year 7: Taught in three sets. Each set has 6 lessons per week.
  • Year 8: Taught in three sets. Each set has 6 lessons per week.
  • Year 9: Taught in two sets. Each set has 5 lessons each week.
  • Year 10: Taught in three sets. Each set has 5 lessons per week.
  • Year 11: Taught in three sets. Each set has 6 lessons per week.

We expect the students to have the following equipment for all mathematics lessons:

  • Exercise book
  • Graph book
  • Text book
  • Folder
  • Pen
  • Pencil
  • Ruler
  • Rubber
  • Protractor / angle measurer
  • Pair of compasses
  • Calculator

We expect all students to have a calculator; they are a necessary piece of equipment for success in examinations, as well as a valuable learning aid. They are not, however, an answer in themselves to the education of the students.

We are blessed with students who are well motivated and well supported by their parents and we must utilise this to the students’ advantage. We set high expectations for the students; we do them no favours if we teach them the bare minimum. We do this by maintaining the pace of our teaching and stretch the students by introducing them to topics early, using as extension work and topics from the following year’s scheme of work. 

Students are taught to take responsibility for developing their independent learning skills. For some this may be achieved by visiting the department during extra-curricular time to investigate and experiment with the plethora of logic and strategy developing resources (suitable for all senior pupils). Others may require extra assistance or clarification on their homework, or maybe just reassurance that they are going about their work in the right way. For these girls the department runs a drop in “Maths Clinic” two lunchtimes a week. Older girls make excellent use of this facility and are strongly encouraged to attend weekly twilight revision sessions which run throughout the school year as they have proven to be very beneficial in previous years.

We aim to produce young adults who are aware of the power of Mathematics and who have a positive attitude to their own ability in the subject and are prepared to use it. Some of our students will be in a position to go on and study Mathematics and related subjects at a higher level.

To empower and enthuse students to the possibilities of mathematics beyond Key Stage 4 it is essential that the girls are aware of the mathematical applications that exist both across the curriculum and in the wider world during their time at Thornton. This is achieved through demonstration of cross-curricular links and extended investigative tasks with the younger students and by offering supplementary externally examined subjects for the older girls.

Statistics is one such example. Girls are taught Statistics in Year 11 as a way of supplementing and reinforcing the Mathematics curriculum whilst offering the opportunity to see cross-curricular links with other subjects offered at Thornton. There is also the added bonus of achieving another GCSE to their Mathematics.

For those Year 11 students considering Mathematics at A-level we offer twilight sessions studying FMSQ. This is a free-standing Mathematics qualification that covers many of the topics that form the A-level qualification, hence better preparing the girls for what lies ahead whilst also as valuable points for university places in the future.

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