Math Open Reference
Math Open Reference: Real Number
Learn about real numbers with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Counting Numbers
Learn about counting numbers with this helpful reference tool. Provides a detailed definition and includes links to related topics.
Calculator Soup
Calculator Soup: Comparing Fractions Calculator
Compare fractions to find which fraction is larger and which is smaller. You can also use this calculator to compare mixed numbers, compare decimals, compare integers, and compare improper fractions.
Calculator Soup
Calculator Soup: Lcd Calculator Least Common Denominator
Use this Least Common Denominator Calculator to find the lowest common denominator (LCD) of fractions, integers and mixed numbers. Finding the LCD is important because fractions need to have the same denominator when you are doing...
Math Open Reference
Math Open Reference: Positive Numbers
Learn about positive numbers with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Integers
Learn about integers with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Rational Numbers
Learn about rational numbers with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
Math Aids
Math Aids: Integers Worksheets
Great resource to practice and strengthen math skills pertaining to integers. Math worksheets are printable, may be customized, and include answer keys.
Math Aids
Math Aids: Equations Worksheets
Great resource to practice and strengthen math skills pertaining to equations. Math worksheets are printable, may be customized, and include answer keys.
Mocomi & Anibrain Digital Technologies
Mocomi: What Are Factors and Multiples?
Explores factors and multiples and the difference between them.
University of Utah
University of Utah: The Number System
This site from The University of Utah provides a definition of commonly used numbers including rational numbers, natural numbers, integers, real and complex numbers and more.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: High School Basic Algebra Review
An overview of basic high school algebra topics can be found here. Absolute value, signed numbers, inequalities and equations, mixture problems, and direct and indirect variation are all listed, each with links to questions posed by...
Curated OER
Math Words: Rational Numbers
Mathwords provides a brief description with an easy to read chart that includes all types of real numbers.