A teen number is a ten and some ones. 14 is 10 and 4 more.
Worked example
How many counters are there? One ten frame is full.
Answer:16
A full frame is 10. Then 6 more. 10 and 6 is 16. Answer: 16.
For grown-ups: Teen numbers are ten ones and some more ones. Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.
CCSS K.NBT.A.1
What this practises, for teachers
Practices teen numbers are ten ones and some more ones (K.NBT.A.1). A printable sheet with its answer key, worked answers on the page, no accounts.