# Chapter 1: Introduction and Review

## Section 1.1: The Real Number System

Video: Real Numbers

Video: Add, Subtract, Multiply, and Divide

Video: Sets and Intervals

Video: Absolute Value and Distance

Activity: Properties of Real Numbers

Activity: Sets and Intervals

Geogebra: The Triangle Inequality

Geogebra: Classifying Real Numbers

Geogebra: Distributive Property Practice

Geogebra: Unions and Intersections Practice

## Section 1.2: Exponents and Scientific Notation

Video: Exponential Notation

Video: Properties of Exponents

Video: Scientific Notation

Activity: Exponential Notation

Activity: Scientific Notation

Geogebra: Properties of Exponents

## Section 1.3: Polynomials

Video: Introduction to Polynomials

Video: Multiplying Polynomials

Activity: Polynomials

Geogebra: Multiplying Binomials

## Section 1.4: FActoring

Video: Common Factors and Factoring by Grouping

Video: Factoring Trinomials

Video: Special Factorizations

Video: Factoring Completely

Activity: Factoring

Geogebra: Factoring Visualization

## Section 1.5: Rational Expressions

Video: Introduction to Rational Expressions

Video: Multiplying and Dividing Rationals

Video: Adding and Subtracting Rationals

Video: Compound Fractions

Activity: Multiplying and Dividing Rational Expressions

Activity: Adding and Subtracting Rational Expressions

Geogebra: Rational Expressions

## Section 1.6: Radicals and rational expressions

Video: Radicals

Video: Rational Exponents

Video: Rationalizing the Denominator

Activity: Radical Expressions

Activity: Rational Exponents

Geogebra: Visualizing Simplifying Radicals