Maths using McDonalds Menu | Teaching Resources File previews. docx, 15.98 KB. Maths using McDonalds menu to calculate calories, fat, carbohydrates and salt intake. This activity was used as a joint maths and health science lesson for adults. It could be used for any group of people from 12 years upwards. It could also be extended for learners to look into other foods that they may eat.