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Unit: Introduction to algebra

Overview and history of algebra

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Introduction to variables

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Practice

Substitution and evaluating expressions

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Practice

Evaluating expressions word problems

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Practice

Writing algebraic expressions introduction

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Practice

Introduction to equivalent algebraic expressions

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Practice

Dependent & independent variables

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Practice

Combining like terms

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Practice

Interpreting linear expressions

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Practice

Irrational numbers

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Practice

Sums and products of rational and irrational numbers

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Practice

Proofs concerning irrational numbers

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Division by zero

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Binary and hexadecimal number systems

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Unit test

Test your understanding of Introduction to algebra with these 13 questions.

About this unit

This topic covers: - Evaluating algebraic expressions - Manipulating algebraic expressions & equivalent expressions - Seeing structure in expressions - Irrational numbers - Division by zero