# Connexions

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The content in Connexions comes in two formats: modules, which are like small "knowledge chunks," and collections, groups of modules structured into books or course notes, or for other uses. Our open license allows for free use and reuse of all our content.

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## Denny Burzynski

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Type Title
Signed Numbers: Multiplication and Division of Signed Numbers
Signed Numbers: Objectives
Signed Numbers: Proficiency Exam
Signed Numbers: Signed Numbers
Signed Numbers: Subtraction of Signed Numbers
Signed Numbers: Summary of Key Concepts
Signed Numbers: Variables, Constants, and Real Numbers
Solving Linear Equations and Inequalities: Application I - Translating from Verbal to Mathetical Expressions
Solving Linear Equations and Inequalities: Application II - Solving Problems
Solving Linear Equations and Inequalities: Exercise Supplement
Solving Linear Equations and Inequalities: Further Techniques in Equation Solving
Solving Linear Equations and Inequalities: Linear Equations in Two Variables
Solving Linear Equations and Inequalities: Linear Inequalities in One Variable
Solving Linear Equations and Inequalities: Objectives
Solving Linear Equations and Inequalities: Proficiency Exam
Solving Linear Equations and Inequalities: Solving Equations
Solving Linear Equations and Inequalities: Solving Equations of the Form ax=b and x/a=b
Solving Linear Equations and Inequalities: Summary of Key Concepts
Systems of Linear Equations: Applications
Systems of Linear Equations: Elimination by Addition
Systems of Linear Equations: Elimination by Substitution
Systems of Linear Equations: Exercise Supplement
Systems of Linear Equations: Objectives
Systems of Linear Equations: Proficiency Exam
Systems of Linear Equations: Solutions by Graphing
Systems of Linear Equations: Summary of Key Concepts
Techniques of Estimation: Estimation by Clustering
Techniques of Estimation: Estimation by Rounding
Techniques of Estimation: Estimation by Rounding Fractions
Techniques of Estimation: Exercise Supplement
Techniques of Estimation: Mental Arithmetic- Using the Distibutive Property
Techniques of Estimation: Objectives
Techniques of Estimation: Proficiency Exam
Techniques of Estimation: Summary of Key Concepts
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