Oxford Big Ideas Mathematics Includes A High Level Of Teaching Support To Enhance Professional Knowledge And Practice.for Each Unit In The Student Books, The Professional Support Includes:unit Focus And Key Concepts.links To The Australian Curriculum: Mathematics.the Language Of Mathematics.resources And Ideas For Hands-on And Digital Interactive Preview And Engage Activities.advice For Overcoming Potential Difficulties.discover And Explore Activities.links To Additional Resources To Support And Extend Students, Including Discover, Explore And Connect Cards, And Topic Tests.