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16–26 monthsNumber

Selects a small number of objects from a group when asked, for example, ‘please give me one’, ‘please give me two’.

Observe whether the child: selects a small number of objects from a group when asked, for example, ‘please give me one’, ‘please give me two’.

What it looks like

Three ways this behaviour shows up as a child grows. Each level includes everyday moments to watch for.

Emerging

Just starting

Sometimes gives one item when asked for ‘one’, but accuracy is inconsistent for ‘two’ and varies by context and motivation.

What you might see

  • When asked ‘give me one’, the child pushes the whole pile or grabs multiple items and hands them over together.
  • When asked for ‘two’, the child gives one item and then walks away without attempting a second.
  • If an adult holds out a hand and asks for ‘one’, the child may look but does not make a selection attempt.
  • Gives one item correctly in a high-interest context (e.g., favourite snack) but gives a random number with toys.
  • When asked for ‘two’, gives two items only after repeated prompting or after the adult models taking two.
  • Starts to give one item, then adds extra items before handing them over (overshoots).

Expected

On track

In familiar routines with small sets, can select one or two objects on request, often using touch/pointing to keep track.

What you might see

  • Selects one object from a small group when asked, doing it quickly and without grabbing extras.
  • When asked for two, takes one object, pauses, then takes a second object and hands both over together.
  • During play, gives ‘one’ to an adult on request and watches for adult approval before continuing.

Exceeding

Going further

Consistently selects a requested small number (typically 1–2, sometimes 3 with support) across contexts and with different objects.

What you might see

  • Accurately gives one or two objects from a mixed pile (e.g., blocks, crayons) without needing the objects arranged neatly.
  • If the child accidentally gives three when asked for two, they remove one before handing it over.
  • Responds accurately to ‘give me one’/‘give me two’ in everyday moments (tidying, snack, bath toys).
  • Offers one each to two people when prompted (e.g., ‘give one to me and one to you’) without being shown.
  • Checks the amount in their hand before giving it (looks, touches, or quietly counts ‘one, two’).
  • Notices when someone receives the wrong amount and attempts to fix it (adds or takes back an item).

Try this at home

Small everyday moments where you can notice this behaviour without setting up anything special.

  • Snack time: Put a small pile of fruit pieces on the table and ask ‘Can you give me one?’ then ‘Can you give me two?’—observe how your child selects.

  • Bath time: Place several bath toys in front of your child and ask ‘Please give me two ducks’ (or two cups)—notice whether they take one at a time or grab a handful.

  • Tidy-up: Ask your child to ‘put two blocks in the box’—watch whether they can select two from the pile and carry them over.

  • Outdoor play: Collect pebbles/leaves and ask ‘Can you give me one?’ then ‘two?’—notice if the context change affects accuracy.

  • Story/play: While playing ‘tea party’, ask ‘Can you give teddy one biscuit?’ then ‘give teddy two biscuits’—observe selection for another character.

Connected behaviours

Behaviours that scaffold, follow, or co-emerge with this one.

Where this comes from

The framework source and supporting developmental research.

Framework source

  • Development Matters in the EYFS (2012), Mathematics: Numbers (16-26 months).

    This construct is a framework-native indicator of early one-to-one selection in response to number words.

Developmental research

  • Gelman, R., & Gallistel, C. R. (1978). The Child's Understanding of Number. Cambridge, MA: Harvard University Press.

    Selecting ‘one’ or ‘two’ from a set reflects early coordination of number tags with discrete items, supporting one-to-one correspondence development.

Five-level rubric (detailed)Show

The full progression underlying the three levels above. Used by the platform’s reasoning agent when planning activities and observations.

Not Yet
Does not respond to requests for ‘one’ or ‘two’; may grab a handful, give none, or choose based on preference rather than number.
  • When asked ‘give me one’, the child pushes the whole pile or grabs multiple items and hands them over together.
  • When asked for ‘two’, the child gives one item and then walks away without attempting a second.
  • If an adult holds out a hand and asks for ‘one’, the child may look but does not make a selection attempt.
Emerging
Sometimes gives one item when asked for ‘one’, but accuracy is inconsistent for ‘two’ and varies by context and motivation.
  • Gives one item correctly in a high-interest context (e.g., favourite snack) but gives a random number with toys.
  • When asked for ‘two’, gives two items only after repeated prompting or after the adult models taking two.
  • Starts to give one item, then adds extra items before handing them over (overshoots).
Developing
In familiar routines with small sets, can select one or two objects on request, often using touch/pointing to keep track.
  • Selects one object from a small group when asked, doing it quickly and without grabbing extras.
  • When asked for two, takes one object, pauses, then takes a second object and hands both over together.
  • During play, gives ‘one’ to an adult on request and watches for adult approval before continuing.
Secure
Consistently selects a requested small number (typically 1–2, sometimes 3 with support) across contexts and with different objects.
  • Accurately gives one or two objects from a mixed pile (e.g., blocks, crayons) without needing the objects arranged neatly.
  • If the child accidentally gives three when asked for two, they remove one before handing it over.
  • Responds accurately to ‘give me one’/‘give me two’ in everyday moments (tidying, snack, bath toys).
Reflexive
Selects small numbers efficiently and can help others by ‘giving one each’ or checking/correcting the amount when it doesn’t match the request.
  • Offers one each to two people when prompted (e.g., ‘give one to me and one to you’) without being shown.
  • Checks the amount in their hand before giving it (looks, touches, or quietly counts ‘one, two’).
  • Notices when someone receives the wrong amount and attempts to fix it (adds or takes back an item).