PUCPR Search for 'an:98388'

Learning the basic concepts in fractions and their application in the addition and subtraction of simple fractions

By Sebold, Mary Theodine.
Washington, D.C. The Catholic university of America press 1946 .
88 p. incl. tables, diagrs. , At head of title: The Catholic university of America. 23 cm..

Building mental imagery in mathematics

By Jencks, Stanley M.
New York Holt, Rinehart and Winston 1968 .
115 p. 28 cm..

La preparación del maestro de escuela elemental y el uso de modelos para representar fracciones en la sala de clase

By Cruz García, Mellanie..
2003 .
[6], 22, [21] leaves , Thesis (Programa Ronald E. McNair) - Pontificia Universidad Católica de Puerto Rico, 2003. 29 cm..