Calculation Card

Tính toán thẻ là một tài liệu giảng dạy phổ biến ở Nhật Bản.

Is what the Japanese elementary school students are using at the time of the study of the calculation.

Displays repeat the answer to the calculation problem .

There is addition and subtraction , you can choose from three difficulty .

Children can used by oneself , but you can also use the communication tool for the family .

Number of questions is 20 on all level .

※ How to use this app

1. You choose the button from addition or subtraction each 3 levels

2. When the problem is displayed , consider the answer . Or you aloud

3. Touch the problem, please check the answer

4. Problem or answer Touch and go to the next problem

5. it ends with 20 questions .

- You can choose the  background color from  pink ( initial value) or blue

- You can learn at their own speed . 

- To questions randomly

- The number of times of the learning will not be saved

- Because for free, Ad is displayed

- Network connection has been used only for ads .

- This app can use without connect at internet