Unlike Esa Helttula's other apps, which allow kids to practice specific skills through a no-nonsense kind of interface, Esa's latest app, for the iPad, gives kids a playground of sorts to play around ...

Knowing your multiplication facts is very useful, but what happens when the numbers you are multiplying are greater than those in your multiplication tables? You will need to calculate using a column ...

When you want to describe the size of an object compared to a smaller object, you can use the word ‘times’. For example, you can say an object is 'five times' as large or 'ten times' as large. This ...