Test your addition skills and train your brain with this App!
You just have to select "Yes" or "No" for the displayed addition result. The game ends depending on the selected level (time or errors).
★Select a Challenge by category:
★ 10 Seconds
★ 20 Seconds
★★ Error Levels★★
★ 1 Error
★ 5 Errors
★★★ Unlimited hours of fun for all ages!