Mathematics

Learn about topics and get worked problems in all areas of math, including arithmetic, algebra, geometry, calculus, probability, statistics, and trigonometry.

Imaginary Numbers — Learn about imaginary numbers in math. Get examples, see how to perform arithmetic operations, and learn the uses of complex numbers.

Imaginary Numbers Recently updated !

This entry was posted on September 27, 2023 by Anne Helmenstine (updated on October 1, 2023)

Commutative Property — Learn about the commutative property in math. Get the definition and examples of the property and compare it to the associative property.

Commutative Property in Math – Definition and Examples

This entry was posted on September 10, 2023 by Anne Helmenstine (updated on September 22, 2023)

Concave vs Convex — Learn the difference between concave vs convex for lenses, mirrors, polygons, and mathematical functions. See how to remember the difference.

Concave vs Convex

This entry was posted on September 9, 2023 by Anne Helmenstine (updated on September 16, 2023)

Associative Property in Math — Learn about the associative property in math. Get the definition and examples for addition and multiplication.

Associative Property in Math – Definition and Examples

This entry was posted on July 23, 2023 by Anne Helmenstine (updated on September 10, 2023)

Quadrilateral Shapes — Get the quadrilateral definition and learn about quadrilateral shapes and properties. Get geometry facts and example problems.

Quadrilateral Shapes and Facts

This entry was posted on July 18, 2023 by Anne Helmenstine (updated on September 9, 2023)

Ratio and Proportion — Get the ratio and proportion definitions and examples in math and everyday life. See examples of worked problems.

Ratio and Proportion in Math

This entry was posted on July 4, 2023 by Anne Helmenstine (updated on July 11, 2023)

Natural Numbers Definition and Examples — Learn about the natural numbers in mathematics. Get the definition, examples, and properties of the set of natural numbers.

Natural Numbers – Definition, Examples, Properties

This entry was posted on May 23, 2023 by Anne Helmenstine (updated on September 10, 2023)

Coin Toss Probability — Get the coin toss probability formula and examples of common math problems and word problems dealing with probability.

Coin Toss Probability Formula and Examples

This entry was posted on March 4, 2023 by Anne Helmenstine (updated on March 7, 2023)

Types of Angles in Geometry — Learn about the types of angles in geometry and get examples of acute, obtuse, reflex, complementary, and supplementary angles.

Types of Angles in Geometry

This entry was posted on December 28, 2022 by Anne Helmenstine (updated on August 28, 2023)