Unit 2 grammar speak up.ppt

1、Oxford English,Period 4,Grammar Speak up,Module 1 Amazing things,Oxford English,Unit 2,Numbers,How many grades are there in our school?,How many students are there in our school?,How many classes are there in our school?,Ask and answer,Learning aims:,1.Be able to read and use the cardinal numbers an

2、d the ordinal numbers correctly ; 2.Be able to express the instructions about numbers; 3.Try our best to talk about the Maths problems using the knowlege above.,1,Cardinal numbers,1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve,13 thirteen 14 fourteen 15 fif

3、teen 16 sixteen 17 seventeen 18 eighteen 19 nineteen,20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety,21 twenty-one 32 thirty-two 43 forty-three,100 one hundred 200 two hundred 375 three hundred and seven five,Read the numbers aloud.,1,Cardinal numbers,4,768,933,822,一逗千（

4、thousand） 二逗百万(million) 三逗十亿(billion),Read the numbers aloud., In the cardinal numbers, we do not add -s to hundred, _ and _ . With large numbers, we put _ between hundred and ten.,thousand,million,and,Complete “Work out the rule”.,Read and correct them,200 two hundreds,375 three hundred seventy-fiv

5、e,5,326 five thousands three hundred twenty six,Read the following numbers.,2,534,25,342,253,423,2,534,233,two thousand five hundred and thirty-four,twenty-five thousand three hundred and forty-two,two hundred and fifty-three thousand four hundred and twenty-three,two million five hundred and thirty

6、-four thousand two hundred and thirty-three,2,Read the numbers aloud.,We form most ordinal numbers by adding _ to the cardinal numbers. There are exceptions, like first, second and third.,-th,Ordinal numbers,How to change Cardinal numbers into ordinal numbers ?,基变序有规律，1、2、3特殊记， 一般词尾加th， 8 加 h，9去e ，

7、f 要把 ve 替 ， ty 要变tie , 若是遇到几十几，只变各位就可以。,1.one _ 2.two _ 3.three _ 4.five _ 5.eight _,6. nine _ 7. twelve _ 8. thirty _ 9. 42 _ _,ordinal numbers,The students are standing in a line. They each have a number (from 1 to 28). Fill in the blanks with cardinal numbers on the left and ordinal numbers on th

8、e right.,first,2,third,fourth,twelfth,19,twenty-third,twenty-eighth,Instructions about numbers,3,39,39 = 12,instructions,statements,93,93,39,93 = 6,39 = 27,93 = 3,Instructions about numbers,3,instructions,statements,Instructions about numbers,3,add and ,subtract from ,multiply by,divide by ,instruct

9、ions,Instructions about numbers,4,We can use equals or is to express “=”.,Things to remember,Plus and minus are prepositions.,statements,Read the instructions aloud.,2+10,10-2,210,102,Add 2 and 10.,Subtract 2 from 10.,Multiply 2 by 10.,Divide 10 by 2.,Read the statements aloud.,2+10 = 12,10-2 = 8,2

10、10 = 20,102 = 5,2 plus 10 equals/is 12.,10 minus 2 equals/is 8.,2 multiplied by 10 equals/is 20.,10 divided by 2 equals/is 5.,In pairs, complete the sentences like those in Table I and Table II.,Instructions about numbers,1 S1: A_ 11 _ 1. S2: _ p_ _ equals/is _. ( ) 2 S1: S_ 5 _ 13. S2: _ m_ _ equal

11、s/is _. ( ) 3 S1: M_ 7 _ 8. S2: _ m_ by _ equals/is _. ( ) 4 S1: D_ 16 _ 4. S2: _ d_ by _ equals/is _. ( ) 5 S1: A_ 9 _ 6. S2: _ p_ _ equals/is _. ( ) 6 S1: A_ 14 and 4 and d_ the answer by 2. S2: _ p_ _ and d_ the answer by _ equals/is _. ( ),dd,and,11,lus,1,12,11+1=12,ubtract,from,13,inus,5,8,13-5

12、=8,ultiply,by,7,ultiplied,8,56,78=56,ivide,by,16,ivided,4,4,164=4,dd,and,9,lus,6,15,9+6=15,dd,ivide,14,lus,4,ivide,2,9,(14+4)2=9,Speak up,5,Mandy did not copy her homework correctly, so she called Joyce. In pairs, check the Maths problems in Mandys exercise book. Follow the example.,Things to rememb

13、er,When we make a phone call, we dont use “I am ” or “Are you ”. We use “This is ” and “Is that ”,Mandy did not copy her homework correctly, so she called Joyce. In pairs, check the Maths problems in Mandys exercise book. Follow the example.,Joyce: Hello, this is Joyce speaking. Mandy: Hello, Joyce. Its Mandy. Joyce: Hi, Mandy. What can I do for you? Mandy: I dont think I copied down the Maths problems correctly. Can I check them with you? Joyce: OK. Mandy: Number 1. Is it seven