(课件网) Let's review. Read and complete. Eg: three - thirteen - thirty one - _____ two - _____ - _____ four - _____ - _____ five - _____ - _____ eight - _____ - _____ nine - _____ - _____ six - _____ - _____ eleven twelve twenty fourteen forty fifteen fifty eighteen eighty nineteen ninety sixteen sixty Fun with language 1 Listen and write. 35 25 28 48 30 15 (1) There are thirty-five books on the library table. (2) Twenty-five boys play in the playground. (3) The swimming pool has twenty-eight people in it. (4) There are forty-eight computers in the computer room. (5) There are thirty desks in the classroom. (6) There are fifteen teachers in the teachers' room. 2 Play a game. 3 Ask and say. What is three and eighteen Three and eighteen is twenty-one. What is six and thirty-nine Six and thirty-nine is forty-five. What is thirteen and sixteen Thirteen and sixteen is twenty-nine. What is thirty-seven and twelve Thirty-seven and twelve is forty-nine. What is sixteen and twenty-one Sixteen and twenty-one is thirty-seven. What is twenty-two and eleven Twenty-two and eleven is thirty-three. What is twenty-one and twelve Twenty-one and twelve is thirty-three. 4 Do the project. Let's do some exercises. Look and answer. = eight = twelve = thirteen = forty + = + = twenty-one fifty-two = eight = twelve = thirteen = forty - = + = twenty-seven 2 × twenty-eight = eleven = thirty = eighteen + = + = forty-eight twenty-nine = eleven = thirty = eighteen + = + = fifty-nine thirty-seven + - Read and complete. Jane: Jack, _____ classrooms are there in your school Jack: There are _____ classrooms. Jane: Are they big or small Jack: They're _____. A. behind B. how many C. twenty D. big E. swimming pool B C D Jane: Is there a _____ Jack: Yes, there is. Jane: Where is it Jack: It's _____ the gym. A. behind B. how many C. twenty D. big E. swimming pool E A 背诵本单元的单词。 熟读 Part 3 的句子。
