Subtraction
Quick recap of subtraction plus a way to ask for help.
1 Concept recap
Subtraction in 30 seconds.
Subtracting within 20
- Take away: start − take-away = difference.
- Count back one step at a time.
- Think addition: 12 − 5 is 5 + ? = 12.
- Compare: bigger − smaller for “how many more”.
2 Ask a tutor
Stuck on a subtraction problem? Send a question.
Demo form — no backend. This form is a design demo only: it does not send your message anywhere, no email is created, and nothing is stored.