This App is for the practice of calculating American Dollar (coins and banknotes) for kids.

Dollar coins and banknotes can count by moving a finger.
Question comes out in random.
Smileys will be displayed if the correct answer.
Response results understandable for kids will be displayed.
Button will appear large, it has become easy to press even kids.
If you answer correctly you will earn badges.But it will be forfeited if an incorrect answer. It should improve kids' motivation.

On tablets of 10 inches or larger, coins are displayed in full size.

3 modes available.

[CHOICE mode]
Choice the correct amount of money.

[INPUT mode]
Input number the correct amount of money.

[PAYMENT mode]
Place the currency of the instructed amount of money on top of the tray.

[CHARGE mode]
You are a cashier at a store. The customer has issued a bill. Count the change and give it to them.