Cherry Calc:Mastering addition

This is a free educational app to study basic mathematics. 
Let's master "Cherry Calculation", addition with carrying.

At first, you will study the concept of calculation by operating visual models.
After that, you will practice calculations repeatedly to master it perfectly.

You can study in a step-by-step manner.
- Step1: Addition with no carrying
- Step2: Divide into 2 numbers
- Step3: Addition with carrying
- Final Exam

We hope you master calculation and come to love mathematics.