. thirteen = fourteen Unit 1: Lesson 4: C 1- 4/ P .1 7- 19 I. Vocabulary: sixteen: seventeen: eighteen: nineteen: twenty: 16 17 18 19 20 Unit 1: Lesson 4: C 1- 4/ P .1 7- 19 II. Practice: 1. Listen and repeat: one. you eleven is Unit 1: Lesson 4: C 1- 4/ P .1 7- 19 *Model sentences: - How old are you ? - I’m eleven  How old + be + S ? - I’m …… VI. Practice: - Hello, …. This is … - Hello, …. How old are you ? - . fourteen nine fifteen sixteen seventeen eighteen nineteen twenty S1: speak Vietnamese “ sè 1 S2: speak English “one” S3: write it on the board “one” Unit 1: Lesson 4: C 1- 4/ P .1 7- 19 III. Listen to the tape: IV. Complete