Sarah has b b\,b books. David has 12 more books than Sarah.
Write an expression for the number of books David has.
Practise AQA GCSE Maths Writing an Expression with exam-style questions for Foundation and Higher tier. 64 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.