Learn how to form, solve, and rearrange equations using the tools and conventions of algebra with BBC Bitesize GCSE Maths.

Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

Solving linear equations Often in algebra we have an equation that we want to solve. This frequently involves manipulating the equation in various different ways to achieve a desired outcome.

The Balance Model: Hindrance or Support for the Solving of Linear Equations with One Unknown, Educational Studies in Mathematics, Vol. 49, No. 3 (2002), pp. 341-359 ...

Mathematics of Computation, Vol. 23, No. 108 (Oct., 1969), pp. 787-812 (26 pages) The mathematical and numerical least squares solution of a general linear system of equations is discussed.

But what if you could use your smartphone to solve equations by pointing the camera at the problem in your textbook instead of using a graphing calculator? That is the idea behind PhotoMath.