Remember numbers and add / subtract
It is an educational app for early childhood and children to remember
It is not mathematical enough to tell right answer incorrect answer like a simple quiz
With a desire to let your child feel “awareness” and lead a correct answer
I am creating it.
In the case of incorrect answer, the order of the upside-down patches changes
It makes it easier to image the correct answer numbers.

Little kids love “UNKO” etc?
If you are interested in addition subtraction with this application to count the number of poop
I think that you can enjoy mathematics while enjoying it.

It is an application that you can learn Hinzyan while familiar with Sugiji.
Adding 1 + 1 to 10 + 10 and subtracting 1-1 to 10-10 can be done
You can remember numbers and ears by reading with eyes and ears.

Please try.