21 The diagrams show patterns made from grey tiles and white tiles.
One of the patterns has exactly 1 line of symmetry.
(a) Write down the letter of this pattern. (1)
(b) Write down the order of rotational symmetry of pattern C. (1)
The diagram on the grid shows a tile in the shape of a hexagon.
(c) On the grid, show how the tile will tessellate. You should draw at least 6 tiles.(2)
Mark scheme (a)
Answer
Mark
Notes
A
1
B1 cao
Mark scheme (b)
Answer
Mark
Notes
2
1
B1 cao
Mark scheme (c)
Answer
Mark
Notes
Tessellation
2
B2 for at least 6 correct shapes, including initial shape, correctly tessellating with at least 2 points where 3 tiles meet and no incorrectly drawn tiles or gaps. (B1 for at least 4 correct shapes, including initial shape, correctly tessellating with at least one point where 3 tiles meet; ignore any additional sections attempted, gaps or incorrect shaped tiles)