Archive for the ‘Uncategorized’ Category
High stakes tests, mathematics word problems, & second-language learners
Posted by: Gary Ernest Davis on: November 4, 2010
High stakes tests and word problems It is increasingly expected, and in most U.S. states required by law, that students will learn and achieve at grade-level standards if they are to graduate from high school. In mathematics, the tests used to measure whether students meet grade-level standards often involve word problems set in contexts considered […]
The moving pointer and 0.999…. A useful cognitive root
Posted by: Gary Ernest Davis on: November 1, 2010
Debates arise periodically as to whether 0.999… is equal to 1. Here, the the 9’s never end in the expression “0.999…” . To paraphrase at least one U.S. President, the answer depends on what we mean by “equal”. Equality Equality takes some explaining in a mathematical setting. As an example that is familiar to almost […]
