Free Mathematics Lessons and Tests
Fractions
- What are fractions?
- Adding fractions
- Subtracting fractions
- Multiplying fractions
- Dividing fractions
- Simplifying fractions
- Converting fractions [more...]
Percentages
- percentages
- percentages (adding percentages)
- percentages (converting percentages to decimals)
- percentage (converting percentages to fractions)
- percentages (how to express one number as a percentage of another)
- percentages (how to find a percentage change)
- percentages (how to find the percentage of a number)
- percentages (subtracting percentages)
Popular Algebra Lessons
- Solving algebraic equations with addition
- Solving algebraic equations with subtraction
- Solving algebraic equations with multiplication
- Solving algebraic equations with division
Popular Lessons about Algebraic Equations
- What is an equation?
- Linear equations
- Create a graph of a linear equation (
interactive widget) [more...] - Quadratic equations
- Create a graph of a quadratic equation ( interactive widget) [more...]
- Simultaneous equations
- Solving simultaneous equations [more...]
- What is a function?
Popular Lessons about Areas
- Find the area of a square
- Find the area of a rectangle
- Find the area of a triangle
- area (of a parallelogram)
- Find the area of a circle
- Find the area of an ellipse
- Find the area of a trapezoid
Popular Lessons about Volumes
- Find the volume of a cube
- Find the volume of a sphere
- Find the volume of a cylinder
- Find the volume of a cone
Angles and Triangles
Sin, Cos, and Tan
- Introduction to Trigonometry
- using the sine function to find the opposite
- using the sine function to find the hypotenuse
- using the sine function to find the angle
- using the cosine function to find the adjacent
- using the cosine function to find the hypotenuse
- using the cosine function to find the angle
- using the tangent function to find the opposite
- using the tangent function to find the adjacent
- using the tangent function to find the angle
Addition
Subtraction
- Subtraction basics
- Long subtraction
- Step by step explanation of long subtraction
( interactive widget)
Multiplication
- Multiplication basics
- Another look at multiplication (with an interactive table)
( interactive widget) - Long multiplication explained
- Step by step explanation of long multiplication
( interactive widget) - Times Table Practice (Click to Reveal)
- Timed Times Table Practice (Click to Reveal)
- Times Table Practice (You're the Teacher)
- Times Table Practice (Timed Questions)
Division
- Division basics
- Long division explained
- Long division with decimals
- Step by step explanation of long division
( interactive widget)
Types of Numbers
- Even Numbers
- Integers
- Natural Numbers
- Natural Whole Integers
- Odd Numbers
- Prime Numbers
- Square Numbers
- Whole Numbers
Square Roots
Glossary of Terms
A
top ^
- absolute value
- adding fractions
- addition basics
- addition (long addition)
- addition (long addition step by step)
- adding percentages
- angles (types of)
- area (of a circle)
- area (of an ellipse)
- area (of a parallelogram)
- area (of a trapezoid)
- area (of a triangle)
- area (of a rectangle)
- area (of a square)
- arithmetic
- arithmetic (fundamental theorem of)
- arithmetic mean
- arithmetic with negative numbers
- average (mean)
- average (mode)
- average (median)
- averages (calculator) ( interactive widget)
B
top ^
Graphs
Co-ordinates
See Also...
How To Get Your Own Way (Learn about "Critical Thinking")Cyber Definitions (Embrace "Text Speak")