Pre-k and Kindergarten subtraction with pictures up to five scientist game - This is an interactive math quiz with multiple choice questions that contain subtraction with pictures up to five. This is a basic introduction to subtraction focusing only on very small numbers. Children in kindergarten, 1st, 2nd and 3rd grades will find this a very exciting game. It is a quiz online and students get feedback instantly as they play. The idea is to solve all problems correctly and have the chance to fill up a beaker. That is why this game is referred to as a scientist quiz. This game is free and always online, hence can be used both by parents and teachers. Get more subtraction practice with the worksheets and flash cards we provide on this website.