The School Mathematics Project
Registered Charity Number 274767

Description of Interact KS3 books in terms of national curriculum levels

T series

7T

Some revision of level 3 content
Major advance with level 4 content
Some advance with level 5 content

8T

Completion and consolidation of level 4 content
Major advance with level 5 content

9T

Further consolidation of level 4 content
Completion and consolidation of level 5 content
Some level 6 content as extension

S series

7S

Consolidation and revision of level 4 content
Major advance with level 5 content
Some level 6 content as extension

8S

Completion and consolidation of level 5 content
Major advance with level 6 content

9S

Some revision of level 5 content
Completion and consolidation of level 6 content
Some level 7 content as extension

C series

7C

Consolidation and revision of level 5 content
Major advance with level 6 content

8C

Some revision of level 5 content
Completion and consolidation of level 6 content
Some advance with level 7 content

9C

Revision of level 6 content
Completion and consolidation of level 7 content
Some level 8 content