General

Math Vocabulary – Maybe you know how to perform the function, but you don’t know the English terminology.  This site gives you the basics and links to more advanced math.

AAA Math – Lesson and practice. This site has everything.

Interactive Math and Activities – Fractions, decimals, percentages, games, time and measurements.

IXL.com – Interactive; choose your level of difficulty.

That Quiz – Lots of quizzes from easy to difficult on integers, fractions, concepts, geometry.

Worldwide Metric – Use their conversion calculator to convert weight, length, temperature, pressure, volume.

Cooks.com – convert measurements, cups, pints, quarts, gallons, etc.

Decimals

Math.com – Place values.   This site provides a basic introduction, in-depth discussion, examples and practice for each topic listing below.

Decimal numbers

Estimating and rounding

Multiplying decimals

Dividing decimals

Fractions

Visual Fractions – Use visuals to understand fractions.

Visual Fractions – Identify fractions through visual cues.

Math.Com – Definition of fractions.  Basic introduction, in-depth discussion, examples and practice.

Math.com – Reducing fractions.  Basic introduction, in-depth discussion, examples and practice.

Math.com –  Adding and subtracting fractions. Basic introduction, in-depth discussion, examples and practice.

Math.com – Dividing fractions. Basic introduction, in-depth discussion, examples and practice.

Math.com – Adding and subtracting mixed numbers.  Basic introduction, in-depth discussion, examples and practice.

Math.com – Multiplying mixed numbers.  Basic introduction, in-depth discussion, examples and practice.

Math.com – Dividing mixed numbers.  Basic introduction, in-depth discussion, examples and practice.

Percents

Math.com – What is a percent?  Basic introduction, in-depth discussion, examples and practice.

AAAMath – Finding the percent of a number.

AAAMath – Determining percentages.

Math.com – 3-way calculator.

AAAMath – Converting percent into fraction.

AAAMath – Converting decimal into percent.

AAAMath – Converting percent into decimal.