1.单词：

angle角,  same一样,  different不一样.

3.句型:

How many angles does a/an ……. have?

一个....有几个角？

A/An ….. has …… angles.

一个....有....角。

How many angles does a diamond have?

A diamond has four angles.

How many angles does a pentagon have?

A pentagon has five angles.

How many angles does a triangle have?

A triangle has three angles.

How many angles does a rectangle have?

A rectangle has four angles.

How many angles does a square have?

A square has four angles.

How many angles does a star have?

A star has five angles.

4.

A/An ……… has …….. side and ……. angles.

一个.....有......边和......角。

A diamond has four same sides and four different angles.

A pentagon has five same sides and five different angles.

A triangle has three same sides and three same angles.

A rectangle has two long sides and two short sides and four same angles.

A square has four same sides and four same angles.

A star has ten same sides and five same angles.