Monthly
FlexibleC$12.00 / month
Full access, paid month by month. Cancel any time.
- Every lesson — from counting to fractions
- All practice levels for each operation
- Both counting games, fully unlocked
- Saved progress, rounds and best scores
Free trial lesson
Adding by making ten
One whole lesson from the full library — three questions, instant feedback, nothing to pay and no sign-up.
Question 1 of 3
about 3 minutes
Pick the answer you think is right.
Lesson complete
That is the whole lesson style: a small trick, three questions and a worked answer each time. The subscription unlocks the rest of the library.
Unlock every lesson
Full subscription
Unlock the whole library
The same lessons, practice rounds and games — all of them, at every level, for as long as you stay.
Yearly
Best valueC$105.00 / year
Twelve months for the price of about nine. The cheapest way to keep going.
- Every lesson — from counting to fractions
- All practice levels for each operation
- Both counting games, fully unlocked
- Saved progress, rounds and best scores
Not ready yet? Play a free practice round or browse the lesson list.