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# Secondary Magazine - Issue 148. Teaching for mastery at secondary: what about our 'top' and 'bottom' sets?

Created on 16 May 2018 by ncetm_administrator
Updated on 25 May 2018 by ncetm_administrator

## Teaching for mastery at secondary: what about our 'top' and 'bottom' sets?

Two Y7 maths lessons, on the same day, in the same school – one with Set 1 of 6, the other with Set 3. What would you expect to see in your school? What would be the similarities? The differences?

When we visited two such lessons at Tomlinscote School in Frimley, Surrey, we noticed how similar they were. All were learning about finding the nth term of a linear sequence, all were accessing the same starting point, all tackled the same questions and had access to the same prompts for thinking and exploring at greater depth.

What was most striking was the participation – both classes were expected to follow and contribute to the learning as a class, sharing their insights and explaining the mathematics to one another.

The teacher of both classes, Teresa Booth, is one of the first cohort of Secondary Mastery Specialists, trained by the Maths Hubs network. There is no blueprint for introducing teaching for mastery into secondary schools in England, and Mastery Specialists are exploring ways in which to make teaching for mastery work in their own contexts.

In Teresa’s school, after a year of learning about the principles of teaching for mastery, they settled on two main changes:

• The new scheme of work is linear rather than spiral, so a topic is studied for a substantial period of time (5-6 weeks) rather than disparate weeks scattered over the year. This allows a steady pace so that teachers can introduce topics in small steps and all can keep up. Differentiation is achieved through depth rather than by speed or topic.
• All sets study the same material. The department is resourcing the scheme of work with a selection of problems, exercises, visual representations etc. in the form of PowerPoint slides, for each topic. Teachers then pick the ones most suitable for their class.

So what does this look like in the classroom?

Most notably, the lesson feels like a class working collaboratively to understand together and to help one another understand. Teresa checks regularly, with a show of 1-5 fingers, how well students feel they understand. And when they get it, students are encouraged to verbalise their understanding regularly. Teresa asks searching questions that get at the structure of linear sequences, using - and expecting students to use - precise language and terminology such as ‘arithmetic sequence’, ‘geometric sequence’, ‘ascending’, ‘descending’, ‘nth term’, and ‘position’.

At one point she asks a boy for an explanation of how he got his answer. He says,

“I know, but I can’t explain it.”

A little while later she comes back to him and asks again, and he is able to explain what he has done.

“You see, you can explain it”, she encourages.

“I know”, he says, “because I heard what they said”. There is a strong recognition in the class that this is a valid way to learn from one another, rather than cheating or copying.

There is a sense of enthusiasm evident in both classes that we see, but particularly Set 3. Students are pleased when they gain an understanding or see a connection. And Teresa is seeking, all the time, to draw out those connections: between the difference and the related times table, between the difference and the nth term, between the 0th term and the nth term, and how a descending sequence affects the nth term.

Teaching for mastery embraces much of what has long been widely considered good classroom practice.

So, what looks different to good teaching in any other context…?

The pupils complete less written work than might be expected in other schools – the lesson is based around an exercise that involves finding the nth term for only eight sequences:

7, 12, 17, 22, 27...

2, 7, 12, 17, 22...

3, 0, 15, 21, 27...

10, 12, 14, 16, 18...

-4, -1, 2, 5, 8...

20, 30, 40, 50, 60...

½, 1½, 2½, 3½, 4½...

(Pupils in all sets work on these sequences, with those in lower sets provided with additional time and scaffolding to get to the nth term. Previously, those in higher sets would have covered sequences including the nth term, in a single lesson in Y7, a pace that allows little time to embed knowledge. Those in lower sets would have covered ‘number patterns’ with no expectation of encountering the concept of generalisation).

Teresa explains:

“We now undertake ‘intelligent practice’ in class through our use of Variation Theory, rather than long lists of very similar questions that the students used to do almost on auto-pilot without deepening their understanding of the concept at all”.

The learning largely takes place in the discussion around the exercise. What is different about the nth terms? What is the same? How do they relate to other features we can spot in the sequences?

To cater for pupils moving at different paces, Teresa sets a ‘challenge question’ alongside the exercise:

“What is the 0th term for each sequence? What do you notice?”

There is a palpable sense of excitement as pupils around the room make the connection between the 0th term and the constant term in the nth term. And then Teresa pushes further with:

“Can you explain why?”

We're intrigued to know what the pupils make of this kind of interactive lesson style. One girl tells us:

“I like maths this year more than at primary school. We work more as a team rather than individuals”.

A boy says:

“At primary school, the lessons usually involved a couple of minutes of explanations, then lots of questions”.

And Teresa says:

“We are seeing some really positive results in Year 7, not only in their attainment and depth of understanding, but in their enjoyment of maths. A student survey we ran earlier in the year showed an enthusiasm for maths that we hadn’t seen before. Our students also seem much more confident in their maths – they can articulate their understanding, and are willing to share ideas in class and make mistakes because they want to understand. Even for the lower prior-attaining students, we make sure that every lesson starts with a review of the prior learning and pre-requisite knowledge so that the learning is accessible to all from the very start of the lesson, and then this foundation is built upon in small steps throughout each lesson ensuring that students are not left behind early on”.

Is there any discernible difference between teaching the top set and the third? Teresa says:

"It has been really eye-opening to me to have two classes with different prior attainment and on different ‘flight paths’, but to be teaching them the same material. Students of all attainment levels can understand the same concepts, provided the starting point is accessible and they can progress in small-enough steps to keep up. I find students in both classes display a willingness to have a go, to explore ideas through discussion, and a confidence and enjoyment in their own learning.

"However, in this lesson the top set group were quicker to articulate their thinking, and made the connection with the algebra much more quickly. It was interesting to see many in the top set used substitution of zero into the nth term to find the 0th term, whereas in Set 3 they subtracted from the 1st term, and only made the connection to the nth term afterwards through questioning. I was able to slot in another more challenging problem at the end with the top set, because of their speed.

"Also, I think the higher prior attaining students are also much more likely to remember their learning, and as you descend the sets then retention of learning becomes much more of an issue. I think the issues around retention and making connections explains a lot about differences in attainment: you can have two students who both understand a concept really well, but one of them gets great marks in an exam due to good retention, and the other doesn’t".

We are currently recruiting for a new cohort of Mastery Specialists: more details and application form are here. We are also inviting schools interested in implementing teaching for mastery to join a teaching for mastery Work Group, collaborating with other schools and with the bespoke support of a local Mastery Specialist - find out more.

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