Number Sense Free APK
3.0 for Android 2.3 and up and up
This free app offers easy and difficult problems to be solved with mental strength. Simply solve the problems that show up with your brain to increase your speed at arithmetic problems. Number Sense is especially great for middle and high school students wanting to practice for mental math exams. However, problem customization allows you to practice many different types of problems with ranging difficulties.
Note: A permission for internet is used solely for loading ads for the free version and nothing else
-Customizable problem sets added
-More problem types added so people of all ages can play