How it works › Playing a sum

Exercise

Exercise detail view: the sums you are about to face, shown large, and the button to start them

Tap an exercise to see example problems, its requirements, and what it unlocks. Tap Start to begin.

The countdown

The screen counts down before the first problem, so you have a moment to find the keyboard. The clock only starts on 'Go!', so that first sum doesn't look unfairly slow.