How many are there?

How many are there? (Play & Learn! Series)
In this app you answer how many boxes are on the screen.
Use the number buttons below to enter a number, then touch the "Answer" button. "Correct" or "Incorrect" will display.
From the Settings screen, you can change the color of the boxes in the problems.
Try playing in various colors.
There are hidden problems in the app. You can try them if you complete some condition.
Enjoy mental calisthenics with this app by competing with your friends or family members in the ranking or by simply working to increase your own score.