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)

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)

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)

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)

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)

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)

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)

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)

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)