The Cat in the Hat caught 5 fish plus one-half of the total catch. How many fish did he catch?
In a family, a brother has as many sisters as brothers, but each of his sisters has half as many sisters as brothers. How many children are there in the family?
Fold a single piece of paper in such a way that with a single straight cut you make a 5-pointed star. Now fold another piece of paper to make a heart with a single straight cut.