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A seminar of faculty from colleges and universities in the Philadelphia area, meeting monthly at Villanova University.
Now there are six-headed four legged animals and four-headed two-legged birds. Find the total number of animals and birds.
Twenty-three weary travelers entered a delightful forest. There they found 63 numerically equal piles of plantain fruit.
A ladder has 100 steps. On the first step sits 1 pigeon; on the second, 2; on the third, 3; and so on up to the hundredth. How many pigeons in all?
A new edition of a brief history text, arranged topically rather than chronologically.
This will be the fifth meeting of this kind, which brings together mathematics educators and researchers to share their teaching ideas and classroom experience in teaching mathematics based on historical, epistemological and cultural approaches.
The perimeters of two similar triangles are 45 and 135 respectively. One side of the first triangle has length 11″ and a second side, 19″. Find the lengths of the sides of the second triangle.

We invite you to send us information about these photographs of 20th century mathematicians.

A lady being asked how old she was at the time of her marriage replied that the age of her oldest son was 13; that he was born 2 years after her marriage...
In a given square, inscribe 4 equal circles so that...