Minus Defence - Math in Space learning series (on TV)

“Minus Defence” is a great application for our kids to have a lot of fun with mathematics and at the same time to easily learn and improve their overall skills with Subtractions. The simple and intuitive user interface is designed to be child friendly, which allows children to play without help from an adult. Children know intuitively what to do: just click and move numbers into place. In additio…