Dividing a Set of Objects into 2 Equal Sets
Fractions (1/2, 1/4), and more...

 1 EASY Alfred and Bob have 10 cookies all together. They decide they should each get the same amount. How many cookies should each person get?

 2 EASY Calvin and Hobbes have 8 muffins all together. They decide they should each get the same amount. How many muffins should each person get?

 3 MEDIUM After giving half of his cupcakes away to John, Mary only has 7 left. How many cupcakes did she have at first?

 4 HARD Billy has 4 cookies, and Judy has 8 cookies. Billy first gives half of all his cookies to Judy. Then, Judy gives half of all her cookies to Billy. How many cookies does Billy end up with? 678910

 5 HARD Carter starts off with 64 cookies. Each time he meets a person, he gives away half of all his cookies to them. After a day of walking, he reaches home holding only 1 cookie! How many people did he meet on his walk? 45678

 6 HARD Old Candy Man started off his day with a certain number of candies. During the day, a rat came and stole half of his candies. Old Candy Man then decided to eat half of his remaining candies, leaving 4 left over. How many candies did Old Candy Man start off with?