About Add and subtract within 20
Introducing the new generation of math learning apps powered by handwritten digit recognition. Handwritten input is the most natural for children, no more multiple choice questions or distraction through keyboard input....
Introducing the new generation of math learning apps powered by handwritten digit recognition. Handwritten input is the most natural for children, no more multiple choice questions or distraction through keyboard input. With our apps kids can better focus on tasks and get a chance to improve their handwriting.
This app was designed to help children to practice and improve their skills in adding and subtracting numbers up to 20.
Previous Versions
Here you can find the changelog of Add and subtract within 20 since it was posted on our website on 2016-10-02 19:45:15.
The latest version is and it was updated on 2024-04-23 09:57:56. See below the changes in each version.
Add and subtract within 20 version
Updated At: 2023-08-23
Add and subtract within 20 version
Updated At: 2022-11-21
Changes: Bug fixes
Disclaimer
Official Google Play Link
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