Carroll Diagrams – Maths Patterns & Shape Attributes

A two-by-two Carroll diagram sorts nine labeled shapes into four grid cells based on two classification criteria at once.

Year groups: Year 3
File type: PDF
Preparation: Print ready

Updated Jan 07, 2023

Subject: Patterns, Geometry, Maths
Topic: Geometry, Shapes
Resource types: Diagrams, Teacher Tools
Preparation: Print ready

From the author

About this resource

These Carroll Diagrams will provide a fun challenge for your maths students.

There are 2 diagrams on this page that will require students to pay attention to patterns and shape attributes.

Answer key included.

In the classroom

Teaching tips & learning objectives

Learning objectives

Sort a set of shapes into a two-by-two grid based on two classification criteria at once.
Justify a shape's placement by identifying which of two attributes it does or does not have.

Teaching tips

Have students explain out loud why each shape belongs in its chosen cell before checking the answer page, since a Carroll diagram requires weighing two criteria at once rather than one.
Use as an independent maths-centre task, since the diagram is a single self-contained page with its own answer key.

Skills covered

Two-criteria classification — students sort each shape by two attributes simultaneously using the Carroll diagram's four-cell grid.
Logical reasoning — students must rule out incorrect cells by checking a shape against both classification criteria.

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Resource details

Concepts & topics

Core concepts

Carroll diagrams
Sorting and classification
Shape attributes

Topics

Geometry Shapes Shape Attributes Carroll Diagrams Patterns Graphic Organizers Maths Challenge Maths Centers Small Group

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Categories this resource belongs to

Patterns Geometry Maths Diagrams Teacher Tools Year 3

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$Year 3$

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