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         20
                                     •  . Finding nets  •  •  •  •
         ~:r.N*1'~                   These 6 tiles are a net because they fold            [gJ   Make a sorting diagram like this on RM D.     ~:t.I.]@i.~
                                     up to make this special hexahedron.
               PAGE 30                                                                                                                              PAGE 31






                                     Some of these shapes are nets.
                                     Which ones, do you think?
                                     a        b





                                                  e









                                                                                                                                              Revision

                                     Ili1   Make and fold up each shape                                                                       rn
                                         to find out which are nets.
                                         Keep a record.
                                                                                                                                              Practical: finding
                                                                                                                                              examples of shapes.
         rn                                                                                             Revision [gJ


         0, b, C, d, f and j are nets.
                                                    These make nets         These don't make nets        3-D shapes                   faces     edges     vertices
         e, g,   i, k and I are not nets.
                                                                                                         o  cube                      6          12         8
                                                                                                         b  square-based pyramid      5          8          5
                                                                                                         C  cylinder                 -3          2          0
                                                                                                         d  hexagonal prism           8          18        12
                                                                                                         e  cuboid                    6          12         8
                                                                                                         f  cone  /                   2           1         1
                                                                                                         9  triangular prism          5          q          6
                                                                                                         h  tetrahedron               4          6          4
   14   15   16   17   18   19   20   21   22   23   24