OER Knowledge CloudWeb ArticleNonprofit introduces platform-neutral, problem-based 6-8 math curriculumNonprofit introduces platform-neutral, problem-based 6-8 math curriculumWalker, Richard W.Illustrative Mathematics is available free to districts as open educational resource.20172017/08/29edscoopedscoopUnited Stateshttps://edscoop.com//nonprofit-introduces-platform-neutral-problem-based-6-8-math-curriculumdoes not applycommon coreIllustrative MathematicsOpen Uphttps://edscoop.com//nonprofit-introduces-platform-neutral-problem-based-6-8-math-curriculumWashington, D.C, United States, North America