# Pre-Algebra

A pre-algebra text, written by Angela Milano from American River College. For each section the text includes a student activity, narrative text with examples, and exercises.

License:

**Creative Commons Attribution Sharealike Noncommercial**. This license is very open. It allows reuse, remixing, and distribution, but prohibits commercial use and requires any remixes use the same license as the original. This limits where the content can be remixed into, but on the other hand ensures that no-one can remix the content then put the remix under a more restrictive license. The non-commercial clause can make getting printed copies of remixes challenging depending upon how strictly the authors interpret the clause.Formats:

**DOC**. A DOC file can be opened using Microsoft Word or OpenOffice.org. It is an editable format**PDF**. A Portable Document Format (PDF) file is can be opened using the free Acrobat Reader. It is not an editable format.

Openness Rating (0-4): 3

Openness Comments: While the license is non-commercial, the availability of editable source files makes it possible to remix the book.

- Unit 1 Integers
- Unit 1 Objective Overview
- Section 1 – Introduction to Integers
- Section 2 – Adding and Subtracting Integers
- Section 3 – Multiplying and Dividing Integers
- Section 4 – Exponents and Order of Operations
- Unit 1 Review
- Unit 2 Fractions
- Unit 2 Objective Overview
- Section 1 – Fraction Review
- Section 2 – Multiplying and Dividing Fractions
- Mid-Unit Review
- Section 3 – Adding and Subtracting Fractions
- Section 4 – Exponents and Order of Operations
- Unit 2 Review
- Unit 3 Decimals
- Unit 3 Objective Overview
- Section 1 – Introduction to Decimals
- Section 2 – Adding and Subtracting Decimals
- Section 3 – Multiplying and Dividing Decimals
- Mid – Unit Review
- Section 4 – Exponents, Order of Operations and Square Roots
- Unit 3 Review
- Unit 4 Equations
- Unit 4 Objective Overview
- Section 1 – Variables and Combining Like Terms
- Section 2 – Solving One-Step Equations
- Section 3 – Solving Two-Step Equations
- Section 4 – Solving Multi-step Equations
- Mid- Unit Review
- Section 5 – Equations with Fractions
- Section 6 – Equations with Decimals
- Unit 4 Review
- Unit 5 Proportions and Percents
- Unit 5 Objective Overview
- Section 1 – Ratios
- Section 2 – Rates
- Section 3 – Proportions
- Section 4 – Percents
- Mid- Unit Review
- Section 5 – Solving Percents with Proportions
- Section 6 – Solving Percents with Equations
- Section 7 – Solving Percentage Problems
- Unit 5 Review
- Unit 6 Coordinate Plane and Geometry
- Unit 6 Objective Overview
- Section 1 – Graphing in the Coordinate Plane
- Section 2 – Area and Perimeter
- Section 3 – Volume
- Section 4 –Pythagorean Theorem
- Formula Sheet
- Unit 6 Review

Supplements:

**MyOpenMath / Lumen OHM online homework**. MyOpenMath is a free online homework system, built on the open source IMathAS assessment platform. It provides randomized, algorithmically generated homework with automated grading of numerical and algebraic answers, similar to WebAssign and MyMathLab. It also provides a course management system with gradebook, file posting, discussion forums, etc. Assessment sets have been created for this textbook, which may be available for self-study by students, or can copied as a starter course shell by faculty.

MyOpenMath use is free with community support through forums. For Washington State faculty, the WAMAP.org site also mirrors this content.

Lumen OHM is a commercial alternative to MyOpenMath that provides support for faculty and large scale adoption and administration, service level agreements, and additional curated course bundles.