Make educational content to be the most entertaining part "Teeth Defense - for basic math skills" is FREE and available worldwide through the Apple Store in the Education category now. It is a fast-paced app fusing math learning, tower defense game and dental care. Kids of 1st Grade or 2nd Grade deserve this educational app. Teeth Defense is an excellent one to recall basic math facts, while it is easy to forget that you are learning. All you have to do is answering the math questions and wiping out monsters to defend teeth kingdom. What Kids Meet * 4 game maps corresponding to different learning level: Jungle Tour, Sweet Temptation, Snowstorm and Pipe Battle. * Cute teeth, like the baby tooth, teeth warrior * Different monsters in vertical form * Addition & subtraction below 100 * Thoughtful Props: toothbrushes, mouthwash, freezing gun these will help you solve math problems. * Medals for different learning progress iTunes link: https://itunes.apple.com/us/app/teeth-defense-for-basic-math/id638695662?mt=8 Demo video:http://youtu.be/QoRXDGzOuQw Device Requirements: Compatible with iPad. Requires iOS 4.3 or later.