Need practice on adding or multiplying negative numbers? If you already know the rules of addition and multiplication of negatives and positives, this app will help you practice.
Examples of exercises:
-1 5 =
(-2)( 7) =
(-10)(-5)( 6) =
-6.3 0.1 =
Features:
• Several difficulty levels.
• Integers and decimals.
• Rewards* for correct answers and daily practice.
• No ads.
• Free
• Open source
*The rewards exist only for cosmetic purposes, and have no real currency value.
The project was created with Python2.7 and Kivy, is under MIT license and can be found on github at https://github.com/user5061/minustimesminus. I'm a teacher and created this for my students, and then felt like sharing with the world. If you got any ideas, tips, feedback please contact me.
- Fixed bug ("back button" no longer crashes the app)
- Loading screen no longer tiny (small androids might be unable to see it properly; will fix in future)
9Apps 4.9
