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1、Warm up,Please count numbers from one to twenty.,1 2 3 4 5,one two three four five,6 7 8 9 10,six seven eight nine ten,11 12 13,eleven twelve thirteen,14 15 16,fourteen fifteen sixteen,17 18 19,seventeen eighteen nineteen,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,抢说数字,three,two,eleven,eighteen
2、,sixteen,twenty,seventeen,five,eight,ten,twelve,six,nineteen,fifteen,four,nine,seven,fourteen,thirteen,one,20 21 22,twenty twenty-one twenty-two,30 40 50,thirty forty fifty,60 70 80,sixty seventy eighty,90 ninety 100 one hundred,整十表达,ten 10 twenty 20 thirty 30 forty 40fifty 50 sixty 60seventy 70 eig
3、hty 80ninety 90 one hundred 100,10,20,30,40,50,60,70,80,90,100,91,12,53,84,75,66,57,48,39,Lets count the numbers.,zero one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteensixteen seventeen eighteen nineteentwenty thirty forty fifty sixty seventy eighty ninety one
4、hundred,Who can do it?,1+2=2+2=3-3=8-5=,Unit 10 An easy maths lesson,Teacher : JennyDate : Oct 21st,一堂容易的数学课,plus,+,What is one plus two?,Its three.,1+2=?,Review,plus,is,1 + 2 = 3,one,two,plus,is,three,Who can do maths?,4+6=5+6=4+1=8+1=3+8=2+3+4=6+7=,11,10,5,9,11,9,13,+,=,one,plus,two,is three,1 + 2
5、 = 3,one,plus,three,is four,1 + 3 = 4,+,=,two,plus,two,is four,2 + 2 = 4,+,=,three,plus,two,is five,3 + 2 = 5,+,=,Who can do maths?,9-6=8-7=3-3=5-2=6-3=10-5=11-9=,minus,_,What is three minus two?,Its one.,3-2=?,8 - 5 = 3,eight,five,minus,is,three,3 - 3 = 0,three,three,minus,is,zero,seven,minus,four,
6、is three,7 - 4 = 3,-,=,six,minus,two,is four,6 - 2 = 4,-,=,twelve,minus,five,is seven,12 - 5 = 7,-,=,Who can do maths?,9-6=8-7=3-3=5-2=6-3=10-5=11-9=,+,plus,-,minus,An easy maths lesson,1 + 2 = 3 one plus two is three2 + 2 = 4 two plus two is four 3 3 = 0 three minus three is zero8 5 = 3 eight minus
7、 five is three,Quiz,1+2=3 One plus two is three.2+3=5 Two plus three is five.3+4=7 Three plus four is seven.4+5=9 Four plus five is nine.5+6=11 Five plus six is eleven.6+7=13 Six plus seven is thirteen.7+8=15 Seven plus eight is fifteen.,2+2=4 Two plus two is four.6+2=8 Six plus two is eight.5+3=8 F
8、ive plus three is eight.7+4=11 Seven plus four is eleven.8+5=13 Eight plus five is thirteen.9+6=15 Nine plus six is fifteen.10+7=17 ten plus seven is seventeen,14-2=12 fourteen minus two is twelve13-5=7 thirteen minus five is seven15-8=7 fifteen minus eight is seven65-37=28 sixty-five minus thirty-s
9、even is twenty-eight74-26=48 seventy-four minus twenty-six is forty-eight99-99=0 ninety-nine minus ninety-nine is zero,7-3=4 Seven minus three is four.47-19=28 Forty-seven minus nineteen is twenty-eight.99-34=65 Ninety-nine minus thirty-four is sixty-five.97-61=36 Ninety-seven minus sixty-one is thi
10、rty-six.99-51=48 Ninety-nine minus fifty-one is forty-eight.5-1=4 Five minus one is four.,3.Lets say.,4 + 3 = 6 + 2 =6 + 1 = 9 4 = （ ） 3 = 109 3 =,four plus three is seven,six plus two is eight,thirteen minus three is ten,nine minus three is six,six plus one is seven,nine minus four is five,5.Look,
11、think, draw and say.,1)Choose one number in the air first. How much do you need to make it 10?2)Find the missing numbers on the floor. Which numbers are missing?,7.Lets chant.,One, two, three, three, two, one.Counting numbers is fun.Four, five, six, six, five, four.Open the windows and close the doo
12、r.Seven, eight, nine, nine, eight, seven.Seven boys names are called “Steven”.Ten, ten, ten, ten, ten, ten.Ten children want to count them again.,Part 7. Lets chant .,One,two,three,three,two,one.,Counting numbers is fun.,Four,five,six,six,five,four.,Open the windows and close the door.,Seven,eight,n
13、ine,nine,eight,seven.,Seven boysnames are called Steven.,Ten,ten,ten,ten,ten,ten.,Ten children want to count them again.,8.Word total puzzles.,TIGER is worth 20+9+7+5+18=59,ANT is worth 1+14+20=35,Can you find an animal worth less than ANT?Can you find an animal worth more than TIGER?,giraffe =,snak
14、e =,horse =,hippo =,elephant =,bee =,Homework,1.抄写数字0、10、20、30、40、50、60、70、80、90、100和 plus、minus 各“8+1”遍 。2.报听写数字0到20在家庭本上。签字。3.用英文写出下列数学题的英文表示。 （1）12+8= (3) 9+7= （ 2）7+10= (4) 5+6=,Maths is fun.Three, two, one.Maths is easy.But we are busy.,容易,繁忙,pingpong ball,乒乓球,Ive got one.,ve got = have got 有,I
15、ve got two.,Ive got one.,Ive got two.,Ive got one.,Please give me all the pingpong balls.,给,所有的,Hey, take away five oranges.,拿走,Lets count.,lets = let us让我们,数数,ue,/ ju: /,2.Listen, look, point and say.,mute huge fume cute duke tube fuse tune,哑巴,巨大的,冒烟,可爱的,公爵,管子,保险丝,曲子,nude lute mule puke,Sound practise. 发音练习,Homework,1.抄写单词“4+1”遍，句子“2+1”遍。单词：maths count plus minus easy busy fun give all take away 句子:Maths is fun. Were busy. Take away five oranges. 2.读音标里的单词各10遍。读课文6遍，签已读。3.课堂宝一张。,
