Elementary Algebra
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openstax

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
2
45
3
10
4
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
2
04
3
07
4
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
2
10
3
06
4
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
2
27
3
07
4
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
2
10
3
06
4
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
2
11
3
07
4
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
2
08
3
06
4
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
2
06
3
09
4
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
2
11
3
08
4
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
2
12
3
05
4
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