Simultaneous equations are two linear equations that can be solved using bar models. By remembering that the same letter will always have the same value we can work out the missing values. To solve ...

An algebraic equation contains one or more letters in it. Each letter in the equation is called a variable. A variable can change in value. We guess at different values for each letter until our ...

Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

A new graphene supercapacitor stores battery-level energy and recharges instantly, redefining fast power storage. Engineers ...

A new method for measuring three different properties of light, at the same time, has been developed using an ...