Paper folding for the mathematics class.
Johnson, Donovan A.
Paper folding for the mathematics class. - Washington National Council of Teachers of Mathematics [c1957] - 32 p.
Geometry--Problems, exercises, etc.
Paper work
Mathematical recreations.
Paper folding for the mathematics class. - Washington National Council of Teachers of Mathematics [c1957] - 32 p.
Geometry--Problems, exercises, etc.
Paper work
Mathematical recreations.