The Intervention Table below provides links to interventions specific to this unit. The interventions support students and teachers in filling foundational gaps revealed as students work through the unit. All listed interventions are from New Zealand’s Numeracy Project.


Cluster of Standards

Name of Intervention

Snapshot of summary or

Student I can statement. . .

Materials Master



Reason with Shapes and their attributes.







Shape Makers


Describe and classify 2D and 3D shapes





Explore two and three-dimensional shapes to recognize their features and develop appropriate vocabulary


Shape Explorers


Identify and classify shapes by name, number of sides and corners and describe similarities and differences between shapes




The Folding Problem


Create squares, triangles and rectangles by folding paper and identify and describe shapes



Mosaic Puzzles

Join shapes together to form other shapes and identify and describe shapes



Arty Shapes


Name 2-dimensional shapes and describe shape attributes