Math Challenge for Kids can help children to learn math calculation in an interesting way. The interactive cute bears will draw kids attention and let kids be addicted to math. The questions in Math Challenge for Kids are designed using progressive approach. Children can obtain stars by answering questions correctly. Obtaining 3 stars to win a crown as reward. Collecting crowns will unlock the secret rainbow stage!!Lite Version: Only provides two-digit addition.Full Version: Have to purchase the full content to access more digits addition, subtraction, multiplication, division and comprehensive calculation (rainbow stage).Learn math via playing game Obtain 3 stars from each mission to win a crown. Collect crowns to unlock the secret rainbow stage!!!Best way to learn Math- Cute bears and music for drawing kids attention.- Step by step example to teach kids math.- Questions in this app are designed using progressive approach.