Updated October 2014
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CK-12: Algebra

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Comprehensive coverage supports students, from basics to quadratics

Subjects & skills
Subjects
  • Math
Skills
  • Critical Thinking
Grades This grade range is based on learning appropriateness and doesn't take into account privacy. It's determined by Common Sense Education, not the product's publisher.
5–12
Common Sense says
Not yet reviewed
Teachers say (1 Review)
Price:  Free
Platforms:  Website

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Algebra resources are organized by topic and sub-topic.
The assessments can be used as practice tools before more formal exams.
Each sub-topic contains a variety of instructional resources.

How Can I Teach with This Tool?

CK-12's Algebra offering (via website or Chrome app) is a set of well-organized resources you can use to supplement your curriculum. Resources include reading passages, pre- and post-read activities, assessments, videos, study aids, and web links, all of which can help in catering to students with different learning styles and abilities. The topics covered include Graphs and Functions, Rational Expressions, Matrices, Linear Equations, Polynomials, and Factoring, just to name a few. All topics are further broken down into subtopics, which makes it easy to find just the right resource for almost any algebra concept you're teaching.

Keep an eye out for the Read activities -- have students complete these to help reinforce concepts from your own lessons. You can assign them as individual reading, but it might be helpful to do the Guided Practice problems as a class. The videos are best used for whole-class instruction, where you can pause to give details and address areas of potential confusion. Use the assessments as post-lesson resources to gauge kids' learning, and offer them extra practice as needed.

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Standards:

Key Standards Supported

Expressions And Equations

  • 7.EE.1

    Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.

  • 8.EE.7

    Solve linear equations in one variable.

Interpreting Functions

  • HSF.IF.8.a

    Use the process of factoring and completing the square in a quadratic function to show zeros, extreme values, and symmetry of the graph, and interpret these in terms of a context.

Reasoning With Equations And Inequalities

  • HSA.REI.3

    Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.

The Number System

  • 6.NS.5

    Understand that positive and negative numbers are used together to describe quantities having opposite directions or values (e.g., temperature above/below zero, elevation above/below sea level, credits/debits, positive/negative electric charge); use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation.

  • 7.NS.1.b

    Understand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing real-world contexts.

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Teacher Reviews

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Featured review by
Tiffany M. , Classroom teacher
Classroom teacher
Southwest High School
Jacksonville, United States
Great variety of topics to choose from for math!
I think this tool would be fine for whole class instruction or individual assignments/assessments. I think it lacks student feedback and options for students that speak other languages.
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