A one lesson long maths problem devoted to answering this question.
Differentiated to 4 levels and including a further extension. For the easiest it leads learners through the problems step by step. Moving to the most difficult where they will have to research the costs and work out how to calculate the cost independently.
The extension task calls for students to present how and why their method works as well as consider how the problem changes if new ingredients are added.
Because I work in a Special School we have access to a kitchen so I have been able to link this with life skills work on preparing food and to vocational learning about setting up and running a cafe. We have also been able to make sandwiches which has been very motivational.
More problems like this to follow.
A little tweaking may be needed for learners who don’t eat bacon.
A bundle of resources I used with as student with Autism who was finding creative wring challenging. Concrete experiences (receiving letters, doing a mock interview, photographs) and a clear structure helped him to construct a successful narrative with descriptions, and a clear structure.
I used this for revision for my class. The items sold in the shop are a bit silly/childish because that’s what my class likes but they could quickly and easily be changed with find and replace if you don’t like them.
A sequence of lessons to get pupils to use adjectives, persuasive writing and to evaluate themed around a creative project building pirate forts as part of a topic following the book Treasure Island. I used it in English lessons but could be adapted for DT.