Chapter 1: Operations, Expressions, and Equations

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Some links are repeated for use with more than one lesson.

1.1 The Set of Real Numbers

http://mathworld.wolfram.com/RealNumber.html
This page contains a description of the set of real numbers and what it entails.

http://en.wikipedia.org/wiki/Real_number
This article includes a definition of real numbers, their uses and the history behind them.

1.2  Sequences

http://www.freemathhelp.com/Lessons/Algebra_2_Sequences_and_Series_BB.htm
This site contains a video tutorial with notes on arithmetic and geometric sequences and series.

http://sat-prep.learnhub.com/lesson/page/1634-math-sa-ts-sequences-and-series
This page contains SAT preparation on sequences and features examples of some famous sequences.

1.3 Absolute Value

http://www.freemathhelp.com/absolute-value.html
This page has notes on the definition of absolute value and how to solve for it.

http://www.coolmath.com/algebra/Algebra1/05AbsValueEq/01_review.htm
This site contains a review on absolute value and shows how to visualize it on a number line.

1.4  Adding and Subtracting Real Numbers

http://faculty.uncfsu.edu/clightner/My%20webs/myweb/6Subtracting%20Real%20Numbers.htm
This page contains a beginner's look at adding and subtracting real numbers.

http://www.math.com/school/subject1/lessons/S1U1L11DP.html
This page contains notes on adding and subtracting real numbers with several examples.

1.5  Multiplying and Dividing Real Numbers

http://faculty.uncfsu.edu/clightner/My%20webs/myweb/7%20Multiplying%20and%20Dividing%20Real%20Numbers.htm
This site contains a basic tutorial on multiplying and dividing real numbers.

1.6  Operations with Matrices

http://www.castleton.edu/Math/finite/operations_with_matrices.htm
This page lists the order of operations for matrices along with the formulas for adding, subtracting, and multiplying matrices.

http://www.algebralab.org/lessons/lesson.aspx?file=algebra_matrix_operations.xml
This site contains how to perform all the operations with matrices and has fill-in answer examples.

1.7  Scientific notation

http://www.freemathhelp.com/scientific-notation.html
This page explains scientific notation through definitions and examples.

http://www.aaamath.com/dec71i-dec2sci.html
This site contains the definition of scientific notation with practice examples and a game.

1.8  Variables and Expressions

http://www.freemathhelp.com/Lessons/PreAlgebra_Variables_and_Expressions_BB.htm
This page contains a video tutorial with notes on variables and expressions.

http://education.yahoo.com/homework_help/math_help/problem_list?id=miniprealggt_1_1
This site has practice problems with and without variables and contains a “tutor” to help students if they need help with problems.

1.9  Equations and Formulas

http://www.mathsisfun.com/algebra/equation-formula.html
This article contains a definition and explanation of equations and formulas with examples.

http://www.iq.poquoson.org/8math/equationsandformulas/equationsandformulas.htm
This site contains a 21 question multiple choice test with practice problems on solving equations.