- Number Charts
- Multiplication
- Long division
- Basic operations
- Telling time
- Place value
- Roman numerals
- Fractions & related
- Add, subtract, multiply, and divide fractions
- Mixed numbers vs. fractions
- Equivalent fractions
- Prime factorization & factors
- Fraction Calculator
- Decimals & Percent
- Add, subtract, multiply, and divide decimals
- Fractions to decimals
- Percents to decimals
- Percentage of a number
- Percent word problems
- Classify triangles
- Classify quadrilaterals
- Circle worksheets
- Area & perimeter of rectangles
- Area of triangles & polygons
- Coordinate grid, including moves & reflections
- Volume & surface area
- Pre-algebra
- Square Roots
- Order of operations
- Scientific notation
- Proportions
- Ratio word problems
- Write expressions
- Evaluate expressions
- Simplify expressions
- Linear equations
- Linear inequalities
- Graphing & slope
- Equation calculator
- Equation editor
- Elementary Math Games
- Addition and subtraction
- Math facts practice
- The four operations
- Factoring and number theory
- Geometry topics
- Middle/High School
- Statistics & Graphs
- Probability
- Trigonometry
- Logic and proof
- For all levels
- Favorite math puzzles
- Favorite challenging puzzles
- Math in real world
- Problem solving & projects
- For gifted children
- Math history
- Math games and fun websites
- Interactive math tutorials
- Math help & online tutoring
- Assessment, review & test prep
- Online math curricula

## Welcome to Free Math Help

What would you like to learn?

Covering pre-algebra through algebra 3 with a variety of introductory and advanced lessons.

Learn basic geometric shapes, properties, formulas, and problem solving techniques.

Look here for more advanced topics starting with pre-cal and extending through multivariable calculus.

## Trigonometry

Sines and cosine, angles and formulae.

Here's where we cover basics, like the mean and median, along with links to more advanced statistics topics.

Solve your own math problems with our selection of free online calculator tools.

## Recently Asked Math Questions

Algebra Question of The Day - Factorial Edition Saturday November 04, 2023

It is given that x + 3ax + 2a = (x + 2)(x + b) - b - 1, where a and b are constants. Saturday November 04, 2023

Suppose a satisfies 4 = a + a^{-1}. What is the value of a^4 + a^{-4}? Saturday November 04, 2023

number of shortest paths possible from black triangle to bottom row Saturday November 04, 2023

Quantitative reasoning problem (Follow the pattern to find the missing numbers) Saturday November 04, 2023

## Popular lessons

- Percentages
- Domain and Range
- Slope Intercept Form
- 30-60-90 Triangles

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