Addition
Quick recap of addition plus a way to ask for help.
1 Concept recap
Addition in 30 seconds.
Adding within 20
- Join: addend + addend = sum.
- Count on from the bigger number.
- Make ten to cross 10 (8 + 5 = 8 + 2 + 3).
- Doubles first, then near-doubles (+1).
2 Ask a tutor
Stuck on an addition 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.