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Counting vs number sense: why reciting to 20 isn’t the same as understanding numbers

All guidesEarly numbers6 min

Key takeaways

  1. Reciting the number words is a sequence; understanding that the last number counted tells you “how many” is the real milestone.
  2. Children usually grasp this with small sets first, so practise counting real objects, then ask “so how many are there?”
  3. Compare, share and change small groups to build a feel for quantity, not just the words.
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Many parents are delighted, rightly, when their child first counts to twenty. But counting aloud and understanding number are two different things. A child can recite “one, two, three, four, five” perfectly and still, when asked to hand you three spoons, pass over a whole handful.

That gap is completely normal. It simply tells you where the next bit of learning lies.

What counting really involves

To count a set properly, a child has to say the number words in a stable order, match exactly one word to each object, and then understand that the last word they said is the total.

Early years guidance in England calls this last step the cardinal principle, and describes three- and four-year-olds learning it alongside saying one number for each item.

Until that clicks, “five” can be just the word you say at the end of the counting game. Once it clicks, it becomes an amount you can compare, add to and share.

Signs your child is moving beyond reciting

  • After counting, they can answer “how many?” without counting again.
  • They can give you a requested number of things (“can I have four grapes?”) and stop.
  • They notice when a small group changes: “you took one!”
  • They can say which of two small groups has more, and explain how they know.

Why number sense matters

Number sense, a feel for how big numbers are and how they relate, is a strong foundation for later maths. One US study found that children’s number competence in their first school year predicted their maths achievement several years later.

That doesn’t mean early drilling helps; it means understanding quantity is worth nurturing.

Everyday ways to build it

  • Count, then ask: “So how many apples are in the bowl?”
  • Ask for amounts: “Please put three cars in the box.”
  • Change the group: “There were four, I ate one… how many now?”
  • Play board games with a numbered track, where moving further means a bigger number.

Keep it light

Mistakes are part of the process. If your child miscounts, count again together, touching each object, rather than correcting sharply. A relaxed child who enjoys numbers is the best possible starting point.

Common questions

My child counts to 20 but can’t tell me how many. Is that normal?

Yes. Reciting the number sequence usually comes well before understanding that the last number counted is the total. Practise with small groups of real objects and ask “how many?” after counting.

Should I teach my child to count higher?

There’s no harm in it, but understanding small numbers deeply (up to five, then ten) matters more at this stage than reciting bigger ones.

Sources

  1. Development Matters: non-statutory curriculum guidance for the EYFS (Mathematics)Department for Education, 2023
  2. Jordan, Kaplan, Ramineni & Locuniak, Early math matters: kindergarten number competence and later mathematics outcomesDevelopmental Psychology, 2009
  3. Ramani & Siegler, Promoting broad and stable improvements in low-income children’s numerical knowledge through playing number board gamesChild Development, 2008