Line A is longer

i.teaching aims and demands.

1.  presenting different points of view.

2.  though cai and compare the object.

ii.teaching contents.

1.    skill words:  longer、  shorter、  bigger、  smaller、

line、 circle、  some、  think.

2.    skill sentence:  a: line a is longer.

                    b: i think so. / i don’t think so.

3.    dialogues: using the sentences that the students have learnt, get the class to make dialogues with the sentences.

iii. procedures.

step 1 warming up

a.    say the chant .

big      big    &