CTET 2 Math and Science 22 Dec 2021 Paper

A teacher found a hotel menu and brought to her classroom. Having divided the class into groups of five, she asked her students to order food to eat for an amount of Rs.1400 for five people keeping an amount of Rs.70 for a three wheeler to go back home. Two of them are vegetarians and one is allergic to mushrooms. Learners in groups have to interact and order the food item to eat on the above condition. What is this piece of work in language teaching-learning known as?