(
课件网) 第1课时 Get ready Unit 3 How do we use numbers Unit 3 How do we use numbers one two three four five Review the numbers six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty one two three four five six seven eight nine ten 1 2 3 4 5 6 7 8 9 10 eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty 11 12 13 14 15 16 17 18 19 20 Let’s read Watch and sing Can you do the math problems How do you say these in English Let’s learn 加；加号 /pl s/ 减；减号 / ma n s/ 等于 / i kw l/ Let’s learn 答案；回答 / ɑ ns (r)/ Can you translate now Two plus eight equals ten. Fifteen minus six equals nine. Eleven minus ten equals one. Six plus six equals twelve. Ten minus three equals seven. Five plus nine equals fourteen. Eighteen plus two equals twenty. 18+2=20 5+9=14 11-10=1 6+6=12 10-3=7 Read and match 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Can you sort the numbers into two groups 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Let’s learn 1 3 5 7 9 11 13 15 17 19 2 4 6 8 10 12 14 16 18 20 奇数 / d n mb z/ 偶数 / i vn n mb z/ 1 15 3 18 6 7 8 Quick response 19 A Listen. Then point and say. minus even numbers answer 减号 加号 odd numbers 等于 Practise equal 奇数 B Circle the correct answer. Let’s learn This is an odd number. This is an even number. 表达某个数是奇数/偶数： odd和even都是以元音音素开头， 前面用不定冠词an。 C Look at the headings and guess. Ten hats! Tanya loves hats. She has ten hats. There are three hats for rainy days and seven hats for sunny days. Seven T-shirts! Leon’s favourite clothes are his T-shirts. He has seven T-shirts. Four T-shirts are blue, and three T-shirts are white. I think it’s about ... D Look at the headings on pages 24–25 and guess. I think it’s about ... Words: Sentences: plus, minus, equal, answer, odd numbers, even numbers 1. Ten plus two equals twelve. 2. Ten minus two equals eight. 3. This is an odd/even number. Summary 1.熟读并记忆本课时的重点单词； 2.翻译五个简单的数学算式题。 Homework
