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Primitives Posters - PDF

Primitives Posters - PDF

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Primitives Posters - PDF


Primitives posters explore the patterns in number that emerge from looking at their prime factors.

Numbers are displayed as coloured sets of dots and will provoke student to think about numbers in terms of their prime factors.

Posters 1–3 are presented in a 'six column' gird formation and are designed to be displayed vertically creating a large number grid from 1 to 54.  Being displayed in six columns makes it easier to see the patterns that the colored bands highlight.   Poster 4 (not shown) is displayed as a Loop Poster which helps express the complexity of number when viewed this way and the apparently random position of the prime numbers.

Included are ideas on how to use the posters in the classroom.

Also included is a copy of an article writen for Mathematics Teaching in which the author describes a teaching approach to prime numbers using the systems shown on the posters.


This is a bright, colourful, rich, interesting resource that makes pupils think about how different numbers can be represented; deep thinking is at the heart of this poster and it encourages teachers to ask pupils that all important question ‘why?’

Greg Thomas (Private Education Consultant 

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ATM publications embody our guiding principles, offering tasks that teachers can use in their classrooms in a form that allows them to use them immediately.

The PDF download which accompanies most books can be used for presentation on a whiteboard, saving the teacher time and offering different ways to present, run and reflect on the task. 

There is a wide range of publications from Early Years to A level, written by experienced practitioners, that have been scrutinised for the quality of their tasks and narrative.

Most publications include ideas to reflect on for your continuing professional development and to support using the tasks in your classroom.


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