Operating on number

Theme 2 comprises two core concepts: arithmetic procedures; solving linear equations.

Secondary KS3
Mastery PD Materials
Operating on number

The links immediately below take you to pages dedicated to each core concept, which include all the classroom and professional development resources you need.

Underneath the links to the core concept pages, you can download an overview of the entire theme, and a single download of all core concept documents within the theme.

  • 2.1 Arithmetic procedures

    Core concept 2.1 offers guidance on developing understanding of the mathematical structures that underpin standard procedures for calculation with decimals, fractions and directed numbers.

  • 2.2 Solving linear equations

    Core concept 2.2 explores how linear equations are effectively the formulation of a series of operations on unknown numbers and how solving them involves undoing these operations.

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2 Operating on number

2 Operating on number

Theme 2 is about students understanding the structures underpinning calculation using each of the four operations. It includes the solving of equations, which is essentially concerned with operations on, as yet, unknown numbers.
Full download

Full download

All guidance documents and the overview document for theme 2 in one easy-to-download zip file.

Related Pages

Secondary Mastery Professional Development