Grade 1 Math is an easy-to-understand visual application for students to do exercises, test and learn math. The content of the application has been enough and thoroughly studied by the world around method, applied with a simple and easy-to-use presentation to help students easily check their knowledge. . Through this application, parents can assess their knowledge relatively to have a training method to supplement necessary knowledge. Rich diversity topics cover all basic and intensive knowledge including: - Numerals - Summation - Subtraction - Compare - Geometry - Time - Currency In addition to the basic knowledge, we also let them become familiar with the perception of money through simple, easy-to-understand exercises. The integrated exercise section helps them re-systemize all the knowledge they have learned to have a general overview. Hopefully through this simple but complete application, parents have an app to help children learn to play useful and attractive.