Esa Helttula

The Dutch Long Division app can be used to teach and study the Dutch long division method. The user

The European Long Division app can be used to teach and study the long division method that is used

This math app can be used to teach and study the equal addition subtraction method. The user can sol

This app can be used to teach and study the alternative column-addition method used in the Everyday

This math app can be used to teach and study the Russian multiplication method. The user can solve r

The counting-up subtraction app lets students solve subtraction problems by counting up from the les

The Swedish Long Division app can be used to teach and study the Swedish long division method. The u

This math app is about visually exploring how percentages and decimals are just special kinds of fra

Explore and learn the multiplication table in a visual way. Wired.com: "I highly recommend it for an

This math app is about visually exploring how percentages and decimals are just special kinds of fra