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Direct linkWalcott, Crystal; Stickles, Paula R. – School Science and Mathematics, 2012
This article summarizes research conducted on calculator block items from the 2007 fourth- and eighth-grade National Assessment of Educational Progress Main Mathematics. Calculator items from the assessment were categorized into two categories: problem-solving items and noncomputational mathematics concept items. A calculator has the potential to…
Descriptors: Mathematics Achievement, National Competency Tests, Problem Solving, Calculators
Liu, Xiufeng – School Science and Mathematics, 2006
Using the US national sample from the 1995 Third International Mathematics and Science Study (TIMSS), this study examined students' competence levels in understanding the matter concept at grades 3, 4, 7, 8 and high school graduation, and compared them to the expectations in the US national science education standards. It was found that…
Descriptors: Mechanics (Physics), Science Curriculum, Scientific Literacy, Chemistry
