number recognition... with the 123 Ninja iPad app

The 123 Ninja iPad app supports mathematicians in developing fluent and accurate number recognition.

And...
the first graders used their individual iPad headsets to listen to the app's audio and an iPad stylus to "slice" the number!

the 123 Ninja iPad app promotes fluent number recognition

first graders use the 123 Ninja iPad app
to develop fluent number recognition