Want to get quicker at calculations? Having a good mental maths book will surely be helpful. These mathematics books have tricks that you can master to be quick and efficient in making big ...

In this KS2 Maths article you'll find out how to use mental methods when doing addition and subtraction in your head. We also have KS2 Maths videos, a quiz and lots of examples.

Shifengshou has a simple set of calculation rules and is highly systematic. It encompasses Addition, Multiplication, Subtraction and Division. This rapid calculation method is learnt just by one hand.