... Unit4 : BIG or SMALL ? Lesson 3 (B 1-2 - 3- 4 -5 ) I. Objectives:Help the students to talk about their grades, class, the number of the classroom, the floor of the school II.Language ... there in your school? Unit4 : BIG or SMALL ? Lesson 3 (B 1-2 - 3- 4 -5 ) I. Presentation: 1.Vocabulary : the Ss to complete the dialogue. - Control to rubout remember the ... teach vocabulary. - Have the Ss practice vocabulary. - Note ordinal numbers - Check vocablary. - Have the Ss matching - Introduce the lesson. Use the picture - Introduce Thu's...