Shape Detectives Workshop

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Overview

A creative, hands-on maths session for Reception (EYFS) children that explores how 2D shapes are found within 3D shapes through printing and paint play.

This 10-minute mini-lesson is designed to align with the Statutory Framework for the Early Years Foundation Stage, particularly within the Mathematics area of learning, focusing on Shape, Space and Measures:

📌 ELG: Numerical Patterns & Shape, Space and Measures

• Early Learning Goal – Shape, Space and Measures: “Children explore characteristics of everyday objects and shapes and use mathematical language to describe them.”

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Learning Objective

🧠 I can recognise 2D shapes that appear on the surfaces of 3D objects.

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Success Criteria

By the end of the session, learners will:

• Recognise and name common 2D shapes (circle, square, rectangle, triangle).
• Name and handle 3D shapes (cube, cylinder, cone, sphere).
• Use paint and printing to discover and share the 2D shapes on 3D objects.

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Resources

• A selection of clean, sturdy 3D objects (e.g., cardboard tubes, building blocks, small cones, spheres, boxes).
• Trays of non-toxic, washable paint (different colours).
• A3 sheets of white paper or large roll paper spread over a table or floor.
• Protective aprons for each child.
• A ‘Shape Detective’ magnifying glass prop (optional—but great for engagement).

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Structure of the Lesson (10 Minutes)

⏱ Minute 1 – Warm-up: What Do You Know?

Circle Time Prompt (Speaking & Listening Focus): "Can anyone name a 2D shape? What about a 3D shape?"

• Show real examples:
  • Hold up a cube and ask what shapes they see on it.
  • Bring out a cylinder and ask what happens if we stamp it in paint.

Language Focus: edge, corner, face, flat, round

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⏱ Minutes 2–6 – Paint Printing Party

"Let’s become SHAPE DETECTIVES!"

✔️ Split the class into two tables (6 children per table)
✔️ Each table has a tray with paint and a selection of 3D shapes.

Instructions:

• Dip one side of a 3D object into the paint.
• Press it onto the paper — what shape did it make?
• Wipe and swap shapes.
• Adults circulate, modelling language:
  • "Look! This flat side of the cube made a square!"
  • "Wow, your cylinder printed a circle!"

Challenge Question for more able learners:

• “Does the other side make the same shape?”

Encourage discovery through conversation and observation. Grown-ups should use narrative commentary to reinforce new vocabulary.

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⏱ Minutes 7–9 – Shape Detective Reporting

Bring children back into a circle.

📣 "Let’s share our best detective discoveries!"

Prompt questions:

• Which shape surprised you?
• Did you find any triangles?
• What did the cone print?

Hold up a few prints and label them with sticky notes: ‘circle’, ‘square’, etc.

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⏱ Minute 10 – Quick Consolidation Game

🎵 "Guess the Shape Song" (to the tune of ‘Frère Jacques’):

“I see a square, I see a square,
Can you see one too? Can you see one too?
It has four equal sides,
It has four equal sides,
What shape are you?"

Repeat with circle, triangle, rectangle!

Let children point to a matching print or object when they hear the right shape.

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Extension Ideas (for follow-up or early finishers)

• Create a Shape Print Gallery with labels.
• Compare similar prints made with different objects.
• Count how many of each 2D shape were made.

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Assessment for Learning

Informal checks through:

• Adult observations and questioning.
• Use of correct shape names by children.
• Willingness to explore and talk about what they’ve discovered.

Use assessment to inform next 3D shape exploration or move into sorting/classifying shapes.

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Teacher WOW Moment ✨

Imagine the look on their faces when a ball rolls through the paint but doesn’t make a circle. Then someone tries a cylinder—“Wow! It left a circle!” This links real play with mathematical reasoning, encouraging deep understanding through sensory discovery.

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Additional Notes

• This session blends naturally with expressive arts and design.
• Sensory learners flourish with the tactile element.
• Especially good for pupils developing fine motor and language skills.

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You're not just teaching shapes – you're helping them see the maths in the world around them!