 Elementary Algebra
Our Lrnfast Course Includes
The course includes 71
Tests 675
High Quality Questions 144
Flashcards
Course Overview

Lrnr has integrated the OpenStax Prealgebra textbook with intuitive personal learning tools, adaptive assessments, personalized learning paths, instructor-contributed content and actionable analytics to make studying and learning prealgebra more efficient, effective and engaging – with measurably improved student outcomes.

Lrnr guides each student through a personalized learning process, orchestrating the presentation of OpenStax Prealgebra in a way that is paced, sequenced and optimized for each student based on their individual knowledge, needs, and abilities. Lrnr also provides accurate real-time learning analytics that help instructors pinpoint student problem areas and provide relevant remediation. Lrnr is a cloud-based educational content delivery and personalization platform that runs in a web browser.

Enhance OpenStax Prealgebra with your course content

Lrnr can integrate your lectures, presentations, notes, and syllabus with the OpenStax Prealgebra textbook to provide your students with a complete personalized course configured to your requirements.

Course Content

 Foundations 45 10 99 01 Introduction to Whole Numbers Use the Language of Algebra Add and Subtract Integers Multiply and Divide Integers Visualize Fractions Add and Subtract Fractions Decimals The Real Numbers Properties of Real Numbers Systems of Measurement Solving Linear Equations and Inequalities 04 07 70 02 Solve Equations Using the Subtraction and Addition Properties of Equality Solve Equations using the Division and Multiplication Properties of Equality Solve Equations with Variables and Constants on Both Sides Use a General Strategy to Solve Linear Equations Solve Equations with Fractions or Decimals Solve a Formula for a Specific Variable Solve Linear Inequalities Math Models 10 06 60 03 Use a Problem-Solving Strategy Solve Percent Applications Solve Mixture Applications Solve Geometry Applications: Triangles, Rectangles, and the Pythagorean Theorem Solve Uniform Motion Applications Solve Applications with Linear Inequalities Graphs 27 07 36 04 Use the Rectangular Coordinate System Graph Linear Equations in Two Variables Graph with Intercepts Understand Slope of a Line Use the Slope–Intercept Form of an Equation of a Line Find the Equation of a Line Graphs of Linear Inequalities Systems of Linear Equations 10 06 59 05 Solve Systems of Equations by Graphing Solve Systems of Equations by Substitution Solve Systems of Equations by Elimination Solve Applications with Systems of Equations Solve Mixture Applications with Systems of Equations Graphing Systems of Linear Inequalities Polynomials 11 07 70 06 Add and Subtract Polynomials Use Multiplication Properties of Exponents Multiply Polynomials Special Products Divide Monomials Divide Polynomials Integer Exponents and Scientific Notation Factoring 08 06 60 07 Greatest Common Factor and Factor by Grouping Factor Quadratic Trinomials with Leading Coefficient 1 Factor Quadratic Trinomials with Leading Coefficient Other than 1 Factor Special Products General Strategy for Factoring Polynomials Quadratic Equations Rational Expressions and Equations 06 09 91 08 Simplify Rational Expressions Multiply and Divide Rational Expressions Add and Subtract Rational Expressions with a Common Denominator Add and Subtract Rational Expressions with Unlike Denominators Simplify Complex Rational Expressions Solve Rational Equations Solve Proportion and Similar Figure Applications Solve Uniform Motion and Work Applications Use Direct and Inverse Variation Roots and Radicals 11 08 80 09 Simplify and Use Square Roots Simplify Square Roots Add and Subtract Square Roots Multiply Square Roots Divide Square Roots Solve Equations with Square Roots Higher Roots Rational Exponents Quadratic Equations 12 05 50 10 Solve Quadratic Equations Using the Square Root Property Solve Quadratic Equations by Completing the Square Solve Quadratic Equations Using the Quadratic Formula Solve Applications Modeled by Quadratic Equations Graphing Quadratic Equations