The authors question the answer the national Common Core State Standards (CCSS, 2010) claims. The questions center on the validity of the new standardized tests based on the CCSS and teachers' evaluations being tied to student test scores on flawed tests. The proposed tests on the CCSS will position children as deficient, and will not recognize…

Providing exploratory activities prior to explicit instruction can facilitate learning. However, the level of guidance provided during the exploration has largely gone unstudied. In this study, we examined the effects of 1 form of guidance, feedback, during exploratory mathematics problem solving for children with varying levels of prior domain…