Ever wanted to impress everyone by solving complex multiplication problems in your head, without needing a pencil or paper? It's not magic; it's mental math—a superpower you can learn! This article is ...

Find out what multiples are and how to sort multiples of 2 and 5. Doubling numbers Learn how to make doubles using ten frames, addition and multiplication. Counting in twos, threes, fives and tens ...

Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, ...

This is a classic introductory physics problem. Basically, you have a cart on a frictionless track (call this m 1) with a string that runs over a pulley to another mass hanging below (call this m 2).

Sudoku Solver Tips: One of the most popular brain puzzle games in the world is Suduko which is both challenging and rewarding. We all must have seen the printed version of Sudoku in newspapers and ...

Ashima Shiraishi, 19, is one of the most talented rock climbers in the world. And she'd like to let you in on a rather unglamorous secret: "Most of climbing, it's you just falling," she says. "Every ...