Isaac is x x\,x years old. Marie is twice as old as Isaac.
Write an expression for Marie's age.
Practise Edexcel IGCSE Maths Writing an Expression with exam-style questions for IGCSE Maths. 16 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 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.