John Dewey, an American philosopher has proposed the concept of 'Progressive Education' that emphasizes learning takes place through a hands-on approach so the students must interact with their environment to adapt and learn.The project method is based on the philosophy of Pragmatism.The project method is based on the principle of Learning by doing.The project method makes learning realistic and experimental.It aims to make students think independently and is a target-driven activity based on the challenge, fostering success and efficient cooperation.Community participation is important as it demonstrates the importance of incorporating cultural elements in the teaching of mathematics, all of which motivates students to learn about their culture and that of others while also learning mathematics.Students should be contributions of members of their own and other cultures can help them gain confidence, self-esteem and a sense of belonging as well as respect for the mathematical thinking of other cultures.Culturally relevant pedagogy validates students cultural backgrounds, and ethnic history and provides ways for educators to support cultural connections between the school and the community.Giving class 4th students a project about different types of food eaten by individuals from various states in our country is the finest approach to promote cultural variety in cuisine in our country. The project will improve people's perspectives and thoughts about the cuisine they eat as well as dishes that are popular in other states.Thus from the above-mentioned points, it is clear that the best way to teach about cultural diversity in food in our country to class IV students is to give a project to students about different kinds of food taken by the people of various states in our country.