This is Frog Jack, and his only passion is jumping! That's why all his friends call him "Jumper Frog Jack". Everyday, he wakes up and start jumping but before he jumps, he always studies math! He plays a game to jump around continually. It's about guessing the results of math questions! Let's join him and play this game with Froggy Jack? Then come closer and get ready to guess these results!