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Traveling from Arithmetic to Algebra
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Darley, Joy W. – Mathematics Teaching in the Middle School, 2009
A conceptual knowledge of numbers, especially fractions, is an important link to a conceptual understanding of variables. This article suggests activities that explicitly show the connections between numbers and variables using the number line as the connecting device. (Contains 7 figures and a bibliography.)
Descriptors: Concept Formation, Number Concepts, Mathematical Concepts, Mathematics Instruction
Using a Lifeline To Give Rational Numbers a Personal Touch.
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Weidemann, Wanda; Mikovch, Alice K.; Hunt, Jane Braddock – Mathematics Teaching in the Middle School, 2001
Describes a number line activity based on students' individual timelines to help students understand the concepts of integers and rational numbers. Middle school students and their parents construct a number line using positive and negative rational numbers to represent dates of events before and after the student's birth. (KHR)
Descriptors: Concept Formation, Integers, Learning Strategies, Mathematics Activities