Brain Training in addition

Brain age measured in brain training addition calculation!

Answers on choosing the answer between 30 seconds!

Recommended for this!
Favorite brain training games, children's math learning, who mental arithmetic confident in!

[Addition calculation practice mode]
(1-digit +1 digits) (2 digits +2 digits) (3-digit +3 digits) (1-digit +2 digits), such as,
This mode can addition practice by setting yourself.

[Brain Age measurement mode]
Answers on choosing the answer between 30 seconds!
Measure your brain age