Math Is Fun
Math Is Fun: Area of Triangles Without Right Angles
Learn how to find the area of triangles without right angles. Find the formula to use depending on the information you know about the triangle: base and height, three sides, or two sides and an angle.
Math Is Fun
Math Is Fun: Combinations and Permutations Calculator
By entering terms for how you want to combine items, you can use this calculator to determine all the different combinations and permutations you can have. For more advanced users, various rules are explained and how to use them.
Math Is Fun
Math Is Fun: Combinations and Permutations
Combinations and permutations are explained clearly, with lots of examples. Includes practice questions.
Math Is Fun
Math Is Fun: The Law of Cosines
Students learn about the law of cosines. The tutorial consists of a definition, examples, and practice problems to check for comprehension.
Math Is Fun
Math Is Fun: The Law of Sines
Students learn about the law of sines. The tutorial consists of a definition, examples, and practice problems to check for comprehension.
Math Is Fun
Math Is Fun: Introduction to Trigonometry
Students are introduced to concepts taught in trigonometry. The tutorial consists of notes and examples.
Math Is Fun
Math Is Fun: Sine, Cosine, Tangent
Students learn about the sine, cosine, and tangent functions. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Math Is Fun
Math Is Fun: Composition of Functions
A reference sheet with detailed explanations, examples, and practice problems for function composition.
Math Is Fun
Math Is Fun: Word Questions: Elementary Addition
Work against a timer as you test your ability to add and to solve word problems. Use number-line clue for help and score points. Fun activity for individuals, small groups, on an entire class.
Math Is Fun
Math Is Fun: Word Questions: Elementary Subtraction
Simple word problems challenge your subtraction skills. If you get stuck, use the clues and the number line for help.
Math Is Fun
Math Is Fun: Lines of Symmetry of Plane Shapes
Looks at the lines of symmetry in different types of polygons. Includes ten practice questions. Each question is accompanied by an explanation of the answer.
Math Is Fun
Math Is Fun: Us Standard Lengths
Students learn how to measure length using US Standard Units. Practice problems are included.
Math Is Fun
Math Is Fun: Irrational Numbers
This learning resource investigates irrational numbers. Students learn about the concept by exploring images, definitions, and examples. Includes practice questions.
Math Is Fun
Math Is Fun: Cubes and Cube Roots
Examines cubes and cube roots. Topics include perfect cubes, how to cube a number, and the cube root symbol. The resource consists of explanations, examples, and ten practice questions.
Math Is Fun
Math Is Fun: Pythagoras' Theorem
This resource investigates the Pythagorean Theorem. Includes animations, examples, proofs, and links to problems and activities.
Math Is Fun
Math Is Fun: Collinear Points
The site contains a description of collinear points and an interactive picture of Collinear points and how they work.
Math Is Fun
Math Is Fun: Decimal Fractions Worksheets
A collection of worksheets that cover conversion and operations involving "decimal fractions," or fractions that involve "tenths, hundredths, etc., not 1/2, 1/3, etc."
Math Is Fun
Math Is Fun: Decimal Worksheets
A collection of worksheets covering conversion and operations involving decimals.
Math Is Fun
Math Is Fun: Second Derivative
Second derivative description, examples, and interactive graphing.
Math Is Fun
Math Is Fun: Mathematical Models
Provides a good discussion of how and why models are used in Mathematics to represent problems in the real world. It explains different ways to model a problem, e.g., with a formula or an illustration, and what can be learned from them....
Math Is Fun
Math Is Fun: Approximate Solutions
Sometimes it is difficult to solve an equation exactly. But an approximate answer may be good enough!
Math Is Fun
Math Is Fun: Solving Polynomials
Learn how to solve polynomials with this tutorial with examples.
Math Is Fun
Math Is Fun: Polynomials: Bounds on Zeros
A tutorial about polynomials with bounds on zeros.