During November and December, grade 4 students can explore the angles and quadrilaterals section. Grade 5 students can explore both the angles and quadrilaterals along with the triangles and bridges sections.
angles and quadrilaterals [grades 4 + 5]
- angles
- how to use a protractor video
- estimating angles
- acute, right, and obtuse angles video
- interactive quadrilaterals
- polygon definition
- interactive polygons
- geometric solids and net creation
- polygon sort
- geoboard
triangles and bridges [grade 5]
- triangle explanation
- interactive triangles
- types of triangles
- bridges
- truss bridge designs
- millau viaduct foster + partners
- foster + partners projects worldwide
- millau viaduct video on design and construction
- understanding the Genoa bridge collapse NYT
- above the clouds, the French glimpse the old grandeur NYT
transformations and tessellations – not current – don’t use
- translations, reflections, and rotations 1
- translations, reflections, and rotations 2
- battleship against a computer
- battleship against a partner
- rotate, reflect, & translate figures here:
- lines of symmetry
- symmetry creation
- symmetry mission
- raft race
- tessellation theory
- tessellation creator
- tessellation creator 2
- tessellations in art ⇒ who is M.C. Escher?
- tessellations in architecture British Museum, London
- tessellations in architecture Santiago Calatrava’s world trade centre hub
