Touch each one once and say one number for it. The last number you say tells how many.
Worked example
How many are there? Touch each one once as you count.
Answer:3
Touch each one once and say a number for it. The last number you say is how many: 3. Answer: 3.
For grown-ups: Cardinality: the last number said tells how many. 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.CC.B.4b
What this practises, for teachers
Practices cardinality: the last number said tells how many (K.CC.B.4b). A printable sheet with its answer key, worked answers on the page, no accounts.