Another delightful book to use in introducing measurement is How Big Is A Foot by Rolf Myller. Ask student to make another path, straight not crooked, that would be the same length. Ask student to explain about the path being created. A classroom store helps children not only to recognize money, but also to value it. Set up a store with inexpensive toys, pencils, erasers, candy, etc.
Children earn money by bringing in homework, good behavior, etc.
This money is then spent in the classroom store. The store only takes plastic money. The children must count out their money and their change. On the other side is Abraham Lincoln. I am copper colored.