Addition and Subtraction
Practice simple addition and subtraction expression
What is Addition and Subtraction?
Addition and Subtraction is a browser extension called 'Practice Simple Math Expressions' that allows users to practice simple addition and subtraction expressions in a quiz-like format. It offers features such as quick random expressions, different difficulty modes, saving user settings to the cloud, a leaderboard, and the option to choose between dark and light themes. The extension is open-source and can be accessed on GitHub.
Add-on stats
By: SpeedOut
Creation date: 2023-07-26
Manifest version: 3
Permissions:
- identity
- storage
Size: 428.38K
URLs: Website ,Privacy policy
Other platforms
Not available on Chrome
Not available on Firefox
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Add-on summary
Addition and Subtraction is a browser extension that helps you practice simple addition and subtraction expression. It is like a quiz extension.
FEATURES
- Quick random expressions
- Easy, Medium, Hard, and Custom modes
- Addition, Subtraction, or random operations
- Save user settings to the cloud for access from other devices.
- Leaderboard
- Dark/Light theme
- Open-source
if you need more feature on this app, highly requested to create an issue on our GitHub repository https://github.com/biplobsd/as/issues tab.
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See moreAdd-on safety
Risk impact
Addition and Subtraction does not require any sensitive permissions.
Risk likelihood
Addition and Subtraction has earned a fairly good reputation and likely can be trusted.
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