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1.

Variables and Patterns of Change [electronic resource]

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In Part I, Janel Green introduces a swimming pool problem as a context to help her students understand and make connections between words and symbols as used in algebraic situations. In Part II, Jenny Novak s students work with manipulatives and algebra to develop an understanding of the equivalence transformations used to solve linear equations.
Online
2004
2.

Linear Functions and Inequalities [electronic resource]

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In Part I, Tom Reardon uses a phone bill to help his students deepen their understanding of linear functions and how to apply them. In Part II, Janel Green s hot dog vending scheme helps her students learn how to solve linear equations and inequalities using three methods: tables, graphs, and algebra.
Online
2004
3.

Systems of Equations and Inequalities [electronic resource]

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In Part I, Jenny Novak s students compare the speed at which they write with their right hands with the speed at which they write with their left hands. This activity enables them to explore the different types of solutions possible in systems of linear equations, and the meaning of the solutions. In Part II, Patricia Valdez s students model a real-world business situation using systems of linear inequalities.
Online
2004