(Shapes lesson 2: Shapes: polygons with more sides)
(Shapes lesson 4: Sorting shapes and objects by properties; using sets to describe relationships)
(Transformations lesson 3: Symmetry in regular polygons (needs shapes lesson 2))
(Transformations lesson 4: Symmetry in special quadrilaterals (needs shapes lesson 3))
(Transformations lesson 6: Tessellations)
Transformations lesson 7: Symmetry in tessellations and wallpaper patterns