Surface area, volume and scale

Composite solids and inverse dimensions

Cones, hollow solids and scale I

Optional extension: Cones, hollow solids and changing dimensions

Cones, hollow solids and scale II

Optional extension: Cones, hollow solids and changing dimensions

Composite solids and surface area

Infer hidden dimensions and account for holes or joined faces

Annuli, sectors and area constraints

Missing dimensions and area

Infer dimensions before comparing and combining areas

Similar areas, volumes and nested shapes I

Area and volume ratios, removed cones and nested shapes

Similar areas, volumes and nested shapes II

Optional extension: Area and volume ratios, removed cones and nested shapes

Similar lengths, areas and volumes

Connect corresponding lengths, areas and volumes

Bounds and effects of measurement error