Learn about the integers in math. Get their definition, see examples, and learn their properties and rules. Integers – Definition, Examples, and Rules This entry was posted on August 24, 2022 by Anne Helmenstine (updated on August 27, 2022)

Learn about whole numbers in math. Get the definition and examples and compare them to natural numbers and integers. Whole Numbers – Definition and Examples in Math This entry was posted on August 14, 2022 by Anne Helmenstine (updated on August 24, 2022)

Learn the difference between the median and average. Get examples showing how you calculate the median and average. Median vs Average – Know the Difference Between Them This entry was posted on August 9, 2022 by Anne Helmenstine (updated on August 19, 2022)

Learn the exponent rules for solving equations, including rules for addition, subtraction, multiple, division, and negative exponents. Exponent Rules and Examples This entry was posted on July 31, 2022 by Anne Helmenstine (updated on August 8, 2022)

Learn about parallel and perpendicular lines. Get their definitions, properties, and examples in everyday life. Parallel and Perpendicular Lines This entry was posted on June 14, 2022 by Anne Helmenstine (updated on June 19, 2022)

Learn how rounding numbers works for decimals, sums, and significant figures. Get the rules and examples for various quantities. Rounding Numbers Rules and Examples This entry was posted on April 24, 2022 by Anne Helmenstine (updated on June 6, 2022)

Learn about the Pythagorean theorem in geometry. Get its definition, formula, and worked example math problems. Pythagorean Theorem – Definition, Formula, Problems This entry was posted on December 26, 2021 by Anne Helmenstine (updated on January 3, 2022)

Learn about the number zero. Get the definition and interesting zero facts and learn about its history and role in math. Number Zero Definition and Facts This entry was posted on December 19, 2021 by Anne Helmenstine (updated on August 3, 2022)

Learn how to calculate a tip without a calculator easily in your head. See examples and know how much to tip for different services. How to Calculate a Tip Without a Calculator This entry was posted on December 9, 2021 by Anne Helmenstine (updated on December 12, 2021)