Support
Need a hand? Here is how to get the most out of Subtraction Cards. If you can't find your answer, just email us.
How to play
Pick a mode
Choose In Order to learn step by step, or Shuffle for a random mix.
Flip the card
Look at the subtraction card (5 − 3 = 2), say the answer, then tap or swipe to flip and check it.
Check your answer
See the answer on the back and give yourself a tick. A happy sound cheers you on.
Beat your time
Turn on the timer to race against your own best time as you go.
Check your progress
Tap My Progress to see your calendar, stars, streaks and weekly chart.
Frequently asked questions
What age is this app for?
It's designed for children roughly 6–9 years old who are learning subtraction, but anyone practising can enjoy it.
Are there any ads?
No. There are no ads and nothing that interrupts learning.
Does it need the internet?
No. The app works fully offline.
Is this good for a first go at subtraction?
Yes. It sticks to straightforward take-aways (like 5 − 3 = 2) with big, friendly cards, so it's a gentle first start.
Is my child's data collected?
No. Progress is stored only on the device. We don't collect personal data.