The game is mainly for primary school grade two,corresponding the second grade third unit of
primary school mathematics of Human education--Graph movement-symmetric.A different graphics box
moved downward from the top region. You have to do is finding the other half of the axis of symmetry
to make it form a whole.Then this box can be an eliminated box. When fill an entire line
the box will be eliminated , you get more scores.Go to the synthesis of axis symmetry graph, see
for yourself how many points you can get.
QD learn aims at teaching through lively activities and happy learning.