Expressions like the following are called polynomials in one variable. 0, -5, 7 etc. are examples of constant polynomials. The constant polynomial 0 is also the zero polynomial. Others like 7x + 9 is ...

A series of short animated films for primary schools, following the adventures of Olivia and Hassan as they're challenged with maths problems to find their way through Hypatia's mathematical maze. Hi, ...

The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...