Smart Math Race

Learn, practice, and master math FAST! Race against the clock or a nearby friend. SMART MATH RACE learns what you don't know and focuses your practice. 
See how many problems you get right in 10 up to 60 seconds. Covers +, −, ×, ÷. Great for kids and parents. Great alone. Race a friend. Great in the classroom. No Ads. SMART MATH RACE learns where you need practice and focuses on mastering those math facts.
The free version offers Addition at the "easy" level. No peer playing is possible. The full version offers all the following features.
► FEATURES
+ Operations: Addition, Subtraction, Multiplication, Division
+ −12 to +12 (difficult: -20 to +20)
+ 2 Separate Activities:
+ Challenge yourself by racing the clock
+ Race a nearby friend
+ Network independent
+ Zero network configuration
+ If no network, race against the clock
+ Bluetooth (no Internet required) - race with a friend
+ Wi-Fi (Internet or not) - race a friend
+ Game Center optional
+ Easy Customization
+ Operations: +, −, ×, ÷, or mixed
+ Difficulty: Easy, Medium, Hard
+ Sounds/vibrations
+ Pick friends or let the system choose someone nearby
+ Intelligent
+ Remembers mistakes
+ Tests for mastery
+ Feedback / Monitoring
+ Positive/Negative sound reinforcement
+ Graph of personal progress
+ LeaderBoards in Game Center
+ Easy for student/parent/teacher to monitor progress
+ No Ads.