Adding Eggs app teaches kids the sum of counts mathematic concept which helps the kids to understand The decimal numeral system through moving the eggs, align with the eggs at 10 per row. With moving the egg to understand the dismantling of the figures, for example: the number 5 can be split into the sum of two numbers - 3 and 2 or 1 and 4.

In addition, you can click on the egg and count to see the number of eggs, the egg will appear different egg animals, ex. penguins, birds, platypus.

This app provides six different grades from easy to hard levels - 10, 20, 30, 40, 50, 60 and each level use the number of grade for sum of count. For example, when you select level 60, the maximum of number does not exceed 60 for sum of count pratice.