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Norton, Anderson; Boyce, Steven; Hatch, Jennifer – Mathematics Teaching in the Middle School, 2015
In general, units coordination refers to the relationships that students can maintain between various units when working within a numerical situation. It is critical that middle school students learn to coordinate three levels of units not only because of their importance in understanding fractions but also because of their implications for…
Descriptors: Mathematics Education, Computer Oriented Programs, Algebra, Fractions
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Dixon, Juli K.; Tobias, Jennifer M. – Mathematics Teaching in the Middle School, 2013
What does it look like to "understand" operations with fractions? The Common Core State Standards for Mathematics (CCSSM) uses the term "understand" when describing expectations for students' knowledge related to each of the fraction operations within grades 4 through 6 (CCSSI 2010). Furthermore, CCSSM elaborates that…
Descriptors: Computation, Arithmetic, Preservice Teacher Education, Preservice Teachers
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Taber, Susan B. – Mathematics Teaching in the Middle School, 2007
This article describes how the story of Alice in Wonderland helps students understand the operation of multiplying by a rational number less than 1 and related aspects of ratio and proportion. Included with this article is a "How Tall Is Alice?" Worksheet. (Contains 1 table and 6 figures.)
Descriptors: Number Concepts, Multiplication, Mathematics Instruction, Secondary School Mathematics