Maya has k k\,k books. Leo has 12 more books than Maya. Sam has 5 fewer books than Maya.
Write an expression for the number of books Leo has.
Write an expression for the number of books Sam has.
Write an expression for the total number of books Maya, Leo and Sam have.
64 exam-style questions on WJEC GCSE Maths Writing an Expression. Each one has a worked solution and a mark scheme showing where the marks go.