PUCPR Search for 'an:240018'

Paper folding for the mathematics class.

By Johnson, Donovan A..
Washington National Council of Teachers of Mathematics 1957 .
32 p.

The new mathematics in our schools.

By Johnson, Donovan A..
New York Macmillan Co. 1966 .
192 p.

Invitation to mathematics

By Glenn, William H..
Garden City, N.Y. Doubleday 1961 .
373 p. , Previously published as 6 separate pamphlets in the series Exploring mathematics on your own. 24 cm..