Calculation Card

Tarjeta de cálculo es un material didáctico común en Japón.

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