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1、Unit 10 An easy maths lesson,Unit10 An easy maths lesson,Warm up One ,two, three. Three ,two ,one . One ,stand up. Two,sit down. Three,turn around.,one,two,three,four,five,six,seven,eight,nine,ten,count数,plus 加,minus 减,give 给,pingpong pingpong ball,pingpong balls all the pingpong balls,all所有的,take a
2、way拿走,take away five oranges,Key words:,one 一 two 二 three 三 four 四 five 五 six 六 seven 七,eight 八 nine 九 ten 十 count 数 plus 加上 minus 减去 give 给 all 所有的 pingpong 乒乓球 take away拿走,1 + 2 = 3,one,two,plus,is,three,2 + 2 = 4,two,two,plus,is,four,8 - 5 = 3,eight,five,minus,is,three,3 - 3 = 0,three,three,minus
3、,is,zero,10 - 3 = 7,6 + 4 = 10,5 + 3 = 8,11 - 2 = 9,One apple plus two apples is three apples. Two oranges plus two oranges is four oranges. Two balls plus three balls is five balls. Three pens plus three pens is six pens.,Three pencils plus four pencils is seven pencils. Four books plus four books
4、is eight books. Four birds plus five birds is nine birds. Five bananas plus five bananas is ten bananas.,plus表示“加”，minus 表示“减”，is表示“等于”。,Three minus three is zero. Eighteen minus three is fifteen. Seventeen minus six is eleven. Twenty minus one is nineteen. Sixteen minus two is fourteen. Thirteen mi
5、nus one is twelve.,Lets count ！,Lets count ！,Take away five oranges.,Lets count!,Hey,take away five oranges.,one plus two is three.,Please give me all the pingpong balls.,maths,easy,busy,fun,有趣,Lets count!,Hey,take away five oranges.,one plus two is three.,Please give me all the pingpong balls.,Ive
6、got one.,Ive got two.,Ive got one.,Ive got two.,Ive got one.,Maths is fun. Three,two,one. Maths is easy. But were busy.,7,Lets chant,Maths is fun. Three,two,one. Maths is easy. But were busy.,Lets count ！,1+2+3=6 One plus two plus three is six.,让我们数一数吧！,Ive got one orange.,Ive got two .,Ive got thre
7、e .,Ive got_ butterflies. 5-2=3 Five minus two is three.,five,Ive got _apple trees .,seven,9067554320 781239876 15249968790 340322198909897659 10134809456001 156904567321,（2）Study Pronunciation.,元音字母u在开音节中发 的音，发 时，音从 滑到 。,Listen, look, point and say.,Sound practise.,u ju:,mute huge fume cute duke tu
8、be fuse tune nude lute mule puke,（3）Lets say.,Four plus three is seven. Six plus two is eight. Six plus one is seven.,Nine minus four is five. Thirteen minus three is 10. Nine minus three is 6.,What is one plus two?,Its three.,1+2=?,What is three minus two?,Its one.,3-2=?,Try to solve these question
9、s:,1+2 Whats one plus two? 2+2 Whats two plus two? 3-3 Whats three minus three? 8-5 Whats eight minus five? 3+4 Whats three plus four? 9+1 Whats nine plus one? 15+12 Whats fifteen plus twelve?,Its three,Its four,Its zero,Its three,Its seven,Its ten,Its twenty-seven,Warm up,Please count numbers from
10、one to twenty.,Lets review the numbers.,zero six one seven two eight three nine four ten five eleven,Lets review the numbers.,eleven sixteen twelve seventeen thirteen eighteen fourteen nineteen fifteen twenty,Review,plus,is,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,Who
11、 can do maths?,9-6= 8-7= 3-3= 5-2= 6-3= 10-5= 11-9=,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,nine,nine,eight,seven. Seven boys names are called “Steven”. Ten,ten,ten,ten,ten,ten. Ten children want to count the
12、m again.,chant,3,lets say,4+3=? Four plus three is seven. 6+2=? Six plus two is eight. 6+1=? Six plus one is seven.,9-4=? Nine minus four is five. ( )-3=10 Thirteen minus three is ten. 9-3=? Nine minus three is six.,（4）Count, read and order.,（5）Look, think, draw and say.,Three minus one is two. Four
13、 minus three is one.,Four plus two is six. Five plus three is eight. Nine minus five is four.,（6）Lets play.,e.g. A：I choose 7. B：You need 3 to make it 10. A：I choose 0. B：You need 10 to make it 10. A：I choose 4. B：You need 6 to make it 10. A：I choose 5. B：You need 5 to make it 10. A：I choose 9. B：Yo
14、u need 1 to make it 10. A：I choose 2. B：You need 8 to make it 10. A：I choose 3. B：You need 7 to make it 10.,（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, nine, nine, eight, seven, Seven bo
15、ys names are called“Steven”. Ten, ten, ten, ten, ten, ten. Ten children want to count them again.,（8）Word total puzzles.,one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteennineteen twentythirtyfortyfiftysixtyseventy eighty ninety one hundred,Can you find an animal worth less than ANT? Can you find an animal worth more than TIGER? Find out the valut of each animal.,答案： giraffe=52；snake=50； horse=65；bee=12； hippo=64；elephant=81。 Which animal is worth less than ANT？
