Putting essential understanding of geometry into practice in grades 6-8 - Crites, Terry; Dougherty, Barbara J.; Slovin, Hannah; Karp, Karen (Reston, Va. : National Council of Teachers of Mathematics, 2018)
Keywords: GEOMETRIA -- ENSEÑANZA PRIMARIA; MEDICION -- ENSEÑANZA PRIMARIA; GEOMETRIA -- ENSEÑANZA SECUNDARIA; MEDICION -- ENSEÑANZA SECUNDARIA