Geometry you can hold

Predict which faces meet before folding.

Use paired faces and correct dimensions.

Match each rectangle to a side of the triangular end.

Distinguish a triangular face from the square base.

Connect circumference to rectangle width.

Connect a sector arc to the cone base.

Separate the parts of a polyhedron.

Classify solids using the bases.

Count exposed faces systematically.

Link layers of unit cubes to multiplication.

Compare packaging designs using equal capacity.

Work backwards from a surface-area total.

Compare what doubles and what does more than double.

Use a grid to avoid applying the linear conversion blindly.

Count the base and four sides only.

Track hidden faces when joining two boxes.

Apply geometry to a practical packaging brief.

Verify classroom print scale before cutting.

Find the reason a net will not close.

Translate a block model into three flat views.

Represent a solid without changing edge lengths by eye.

Ask learners to justify classifications by properties.

Use prediction, construction and explanation.

Clarify the difference between length, area, volume and capacity.

Use the same core task with different scaffolds.