Crack the Code: Solving Word Problems

Here is a little story: 'Mia has 12 stickers. She gives 5 to her friend. How many does she have left?' Sounds like a story — but hidden inside it is a maths problem! Word problems are maths questions written as short stories. Your job is to find the maths hiding in the words. Before we start, think about this: what words in the story above tell you something has been taken away?