Title: The Ideas of algebra, K-12
Subjects: Study and teaching (Secondary), Algebre, Estudio y ensenanza (Secundaria), Estudio y ensenanza (Elemental), Algebra, Etude et enseignement (Primaire), Etude et enseignement (Secondaire), Study and teaching (Elementary), Matematica (estudo e ensino), Algebra (textos elementares), Algebra--study and teaching, Mathematics--study and teaching, Study and teaching, Mathematics