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Make the students have team sprits
Teaching Procedure
Step1、Leading In
1. Warming up
(1) sing the song“Ten Little Monkeys”together.
(2) Revise the numbers from 11 to 20！
2. Introduce the new lesson.
Introduce the numbers“thirty, forty或fifty”as follows：
T: OK, boys and girls! Let’s count one to twenty together.
T / Ss: One, two, three, ..., eighteen, nineteen, twenty.
T: Now, let me ask you a question. How old are you?
S1: I’m ...
T: What about you, S2?
S2: I’m ...
T: How old am I? Do you know?
Ss: ...
T: I’m thirty / forty / fifty.
Step 2.New presentation
1. Let’s learn more
(1) Teach the word“thirty”.
a. Go on with the topic of the part above and introduce the word“thirty”，write it down, make the students spell and read,pay attention to the pronunciation of “the”.
b. Ask and answer as follows：
T: How old is Mr. ... / Miss ...? Do you know?
T / Ss: He / She is thirty-two.
T: What is thirty and four?
T / Ss: It’s thirty-four.
T: So thirty and seven is thirty-seven. Thirty and nine is thirty-nine.
(2). Teach the word “forty, fifty and sixty”.
a. show the equation“30 + 10 = ?”，make the students answer：
T: What’s thirty and ten?