The special feature of the app is the simultaneous display of the task on the abacus. The red and blue dots illustrate the task. A child will first count the points. The points are built in 10 and 5 blocks. This promotes understanding of the decimal system. The abacus appears after a short time or can be shown by just tap it.
Ludante MJ created Math for 1st Graders that lies within the Educational category. The tool has been downloaded and installed by over 100K users and its most recent update was released on Oct 25, 2018. The overall user rating of this application is 4.2.
It's free to get the installation package of Math for 1st Graders, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 4.1 and above. It's safe to download the app.