Unit 3　I'm twelve.

4.Listen and point.

1.Eleven and four is fifteen.

2.Twelve and six is eighteen.

3.Fourteen and six is twenty.

4.Seventeen and two is nineteen.

5.Listen and write.

1.Eleven and six is seventeen.

2.Fifteen and four is nineteen.

3.Eighteen and two is twenty.

4.Three and thirteen is sixteen.

5.Sixteen and one is seventeen.

6.Two and twelve is fourteen.

6.Listen and write.

1.eleven　2.thirteen　3.fifteen　4.eighteen　5.nineteen　6.twenty　7.twelve　8.sixteen　9.seventeen　10.fourteen

7.Listen and match.

1.A:How many boys are there?

B:Twelve.

2.A:How many girls are there?

B:Seventeen.

3.A:How many desks are there?

B:Twenty.

4.A:How many chairs are there?

B:Nineteen.

5.A:How many books are there?

B:Sixteen.

6.A:How many bags are there?

B:Fourteen.