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Math Medics
S.o.s. Math: Algebra
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Math Medics
S.o.s. Math: Real Number Line, Interval Notation
This lesson explains the different types of notation used in describing solutions of graphs on number lines. Covers the basics as well as set and interval notation. Practice exercises and their solutions are also available to you.
Paul Dawkins
Paul's Online Notes: Algebra: Solutions and Solution Sets
Detailed math tutorial features notes and examples that introduce and define basic ideas involved in solving equations and inequalities and solution sets.
CK-12 Foundation
Ck 12: Elem Math: Completing Expanded Forms of Numbers (Place Values to 1,000)
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are given the expanded form of a number up to 1,000 and must use their understanding of place value to fill in missing numbers....
National Council of Teachers of Mathematics
The Math Forum: Middle School Archive
This site from the Math Forum provides a list of links to many questions from the Dr. Math archive about exponents. This is a good site to use to direct you to different but associated information on the subject.
CK-12 Foundation
Ck 12: Elem Math: Comparing Numbers Originally in Word Form
[Free Registration/Login may be required to access all resource tools.] In this learning module, students use the greater than and less than symbols to compare numbers written in word form. Includes video demonstrating a sample problem....
Wolfram Research
Wolfram Math World: Union
This page provides a good explanation of unions of sets in mathematics. It discusses the union of disjoint sets and the probabilities of unions, incorporating probabilities of the two independent sets and their intersection. Discusses...
Purple Math
Purplemath: Sequences and Series: Terminology and Notation
Explains the basic terminology and notation of sequences and series, including summation symbols, subscripts, and indices.
CK-12 Foundation
Ck 12: Elem Math: Expanded Form Involving Words
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must apply their understanding of place value to identify which digit in a number represents thousands, ten thousands, etc....
CK-12 Foundation
Ck 12: Elem Math: Identifying Decimals on a Number Line to Thousandths
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to state the decimals to the thousandths place for given locations on a number line. Includes video demonstrating a...
CK-12 Foundation
Ck 12: Elem Math: Completing a Decimal Place Value Chart to Thousandths
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are presented with a decimal number which they must put into a place value chart that goes to the thousandths place. Includes...
University of Georgia
University of Georgia: Inter Math: Intersection of Sets
This site gives a description of intersection of sets along with an example. There are links to related terms, challenging problems, more information, and the interactive check point involving set intersections located in the left-hand...
Wolfram Research
Wolfram Math World: Intersection
This page gives a brief discussion of the intersection of sets in mathematics and probability.
California State University
California State: De Morgan's Law
This page gives an example using De Morgan's Law. (The information is difficult to understand unless you are already familiar with sets and set notation.)
Paul Dawkins
Paul's Online Notes: Complex Numbers Primer
This tutorial reviews complex numbers, notation associated with complex numbers, and the basic operations involving complex numbers. Topics examined are conjugates and moduli, polar form, exponential form, arithmetic of complex numbers,...
Soft Schools
Soft Schools: Exponents Less Than Greater Than Worksheet
Compare numbers in exponential form that have different bases and exponents. Students use greater than or less than symbols to show the larger number. You set the range of numbers used for the base and exponent. An answer key is optional.