【實用教育app】Easy learning subtraction - Smart frog kids math|最夯免費app-綠色工廠好玩App

DescriptionThis math app is for kids who are in 1 or 2 grade or in the age group 3-7.Learning addition and subtraction. Small kids can easily practise their math skills. How kids can benefit?- Learn the basics of addition and subtraction.- Perfect their math skills by select the right answer of number.Features- Easy to use interface which small kids can understand- Fourty eight levels with nine or ten questions in every level- First level unlocked. Remaining can unlocked by pass the previous level- Just right for math of 1 or 2 grade or 3-7 years old kids- Random new questions, whenever you replay.