A calm, playful way for children ages 6–8 to learn to take away within 20 — with objects, number lines, number sentences, tracing and story problems.
Take away real objects and watch subtraction make sense.
Build confidence solving take-aways to 20.
Correct stroke order, taught the right way.
No timers, no scores, no ads — just gentle learning.
Everything is built in. No internet needed.
No accounts, no tracking, no data collected.
The app is free to download. A single one-time purchase — a lifetime unlock, $4.99 — opens every lesson. No subscription, ever.