30–50 monthsNumerical PatternsShape, Space and Measure (no distinct 2021 ELG)
Uses shapes appropriately for tasks.
Observe whether the child: uses shapes appropriately for tasks.
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 chooses a more suitable shape after an adult prompt or by copying what an adult does. Success is inconsistent and the child may not repeat the choice in a similar task.
What you might see
When asked to make a roof, places a round/cylindrical piece on top so it rolls off, then abandons the attempt without changing pieces.
Tries to push a square block through a round hole and keeps pushing rather than trying a different shape.
Uses any piece as a wheel and does not notice it cannot roll along the floor.
After an adult points to a flatter piece, swaps it in for a roof once but does not make the same choice next time.
Rotates a shape once to try to fit it, then gives up quickly without trying another shape.
Copies an adult’s choice (e.g., triangle for a roof) but cannot explain why or generalise the choice.
Expected
On track
Chooses appropriate shapes for familiar tasks with some support (e.g., a flat piece for a base, a long piece to span a gap). Begins to link a simple property (flat/round/long) to why the shape works.
What you might see
Chooses a long block to span a gap for a bridge after one reminder to “find a longer one.”
Selects a round lid for a round container and says “it fits” after checking the match.
Uses a flat card/shape to cover an opening in play when prompted with “cover it up.”
Exceeding
Going further
Independently selects shapes appropriately across different tasks and can explain choices in simple terms (fit, balance, roll, cover). Adjusts by trying alternatives when a shape doesn’t work.
What you might see
Builds a stable base by selecting two similarly sized blocks without being prompted.
Chooses cylinders as “wheels,” tests them by rolling, and replaces non-rolling pieces.
Selects triangle pieces for corners/peaks when building (e.g., a pointed roof) and keeps them in place by adjusting supports.
Suggests alternative solutions (e.g., “two squares or one long rectangle will make the wall”).
Explains a mismatch (e.g., “that won’t fit because it’s too big/too round on this side”).
Helps a peer by naming the needed property (e.g., “use a flat one for the ramp; the round one will roll”).
Try this at home
Small everyday moments where you can notice this behaviour without setting up anything special.
Shape sorter: Offer a shape sorter and watch whether your child tries different shapes purposefully (turning, swapping) to make them fit.
Construction challenge: Say, “Can you make a bridge for the toy car?” Notice whether your child selects longer pieces to span a gap and adjusts if it collapses.
Pretend play: In a toy kitchen, ask, “Can you find a lid that fits this pot?” Observe whether your child matches round to round and checks fit.
Arts and crafts: Provide cut-out shapes and say, “Make a house.” Notice whether your child chooses a triangle/roof shape and places it appropriately.
Outdoor play: With a ball track/ramp (or books as a ramp), ask, “Which block should we use to make the ramp steady?” Watch for choosing flat pieces and testing stability.
Connected behaviours
Behaviours that scaffold, follow, or co-emerge with this one.
The framework source and supporting developmental research.
Framework source
Development Matters in the Early Years Foundation Stage (2012), Department for Education (DfE), Shape, Space and Measure (30–50 months) statements.
Defines the observable behaviour expectation for functional use of shapes in early mathematics.
Developmental research
Clements, D. H., & Sarama, J. (2009). Learning and Teaching Early Math: The Learning Trajectories Approach. Routledge.
Grounds assessment in developmental progressions where children move from informal shape use to more purposeful, property-based problem solving.
Five-level rubric (detailed)ShowHide
The full progression underlying the three levels above. Used by the platform’s reasoning agent when planning activities and observations.
Not Yet
Selects shapes randomly for play or tasks and does not notice when a shape is unsuitable (e.g., unstable, won’t fit). Needs an adult to choose and place shapes for functional outcomes.
When asked to make a roof, places a round/cylindrical piece on top so it rolls off, then abandons the attempt without changing pieces.
Tries to push a square block through a round hole and keeps pushing rather than trying a different shape.
Uses any piece as a wheel and does not notice it cannot roll along the floor.
Emerging
Sometimes chooses a more suitable shape after an adult prompt or by copying what an adult does. Success is inconsistent and the child may not repeat the choice in a similar task.
After an adult points to a flatter piece, swaps it in for a roof once but does not make the same choice next time.
Rotates a shape once to try to fit it, then gives up quickly without trying another shape.
Copies an adult’s choice (e.g., triangle for a roof) but cannot explain why or generalise the choice.
Developing
Chooses appropriate shapes for familiar tasks with some support (e.g., a flat piece for a base, a long piece to span a gap). Begins to link a simple property (flat/round/long) to why the shape works.
Chooses a long block to span a gap for a bridge after one reminder to “find a longer one.”
Selects a round lid for a round container and says “it fits” after checking the match.
Uses a flat card/shape to cover an opening in play when prompted with “cover it up.”
Secure
Independently selects shapes appropriately across different tasks and can explain choices in simple terms (fit, balance, roll, cover). Adjusts by trying alternatives when a shape doesn’t work.
Builds a stable base by selecting two similarly sized blocks without being prompted.
Chooses cylinders as “wheels,” tests them by rolling, and replaces non-rolling pieces.
Selects triangle pieces for corners/peaks when building (e.g., a pointed roof) and keeps them in place by adjusting supports.
Reflexive
Plans ahead, compares options, and flexibly applies shape properties to solve new problems. Can explain and demonstrate to peers how and why a particular shape choice helps the task.
Suggests alternative solutions (e.g., “two squares or one long rectangle will make the wall”).
Explains a mismatch (e.g., “that won’t fit because it’s too big/too round on this side”).
Helps a peer by naming the needed property (e.g., “use a flat one for the ramp; the round one will roll”).