1、小兔請客教學課題：小兔請客 Little Rabbits treat教學目標：在實際情境中，進一步體會加減法的意義。能正確地進行整十數(shù)的加減法的計算。To strengthen kids understanding of addition and subtraction Enable kids to calculate correctly. 教學重點： 在實際情境中，進一步體會加減法的意義。To strengthen kids understanding addition and subtraction.掌握整十數(shù)加減法的計算方法。Master the method of doing addi

2、tion and subtraction.教學難點：能正確地進行整十數(shù)的加減法的計算。Do addition and subtraction correctly. 課前準備：課件。courseware教學過程： Procedures: 一、出示課題：小兔請客 Present the title: Little Rabbits treat. 請客要準備什么東西呢？What should we prepare for a treat? 1.小兔準備了什么？（果子）Lets see what Little Rabbit has prepared. 小兔先拿出了幾盤果子？（3盤）How many pl

3、ates of fruits has Little Rabbit taken out at first? 你知道這3盤一共有多少果子嗎？（小猴說：“每盤10個果子”，3盤就有3個十，就是30個。）Do you know how many fruits there are in these 3 plates? (Little Monkey says: There are 10 in each plate. So there are 30 in three plates. )小兔又拿出了多少個果子？How many more fruit does Little Rabbit take out? 你

4、想提什么問題？（一共有多少個果子？）What question do you want ask? ( How many fruit is there all together? 怎樣解答？你會寫算式嗎？How to work it out? Can you write the calculation? 用小棒代替果子擺一擺。Use these small sticks as fruits, place the right number. （先擺3個十，再擺2個十，一共是幾個十？）(First , place 3 groups of sticks , Each group has ten sti

5、cks. Then 2 groups with 10 sticks in each. How many tens do we have all together? ) 2.看看發(fā)生了什么事？（小刺猬拿走了一盤果子。）Lets see what happened? ( Little hedgehog takes away a plate of fruit. ) 你想提什么問題？（還剩下多少個果子？）What kind of question do you want to ask? ( How many fruit left there? )怎樣解答？你會寫算式嗎？How to work out?

6、 Can you write the calculation? 用小棒代替果子擺一擺。Use these small sticks as fruits, place the right number.（先擺5個十，拿走1個十，還剩下幾個十？） First, place 5 ten. Take 1 ten away, how many ten left there?這兩個算式有什么特點？（每個數(shù)都是整十數(shù)）Whats the characteristic of these 2 calculations? 這樣的加減法會做嗎？Can you do this kind of addition and

7、 subtraction? 二、練一練：Practice: 1.看圖，你看到了什么？你想提什么問題？Look at the picture, what do you see in the picture? What question do you want to ask? （桌子上有40根小棒，女孩子又拿來20根，一共有多少根小棒？）There are 40 sticks on the table. The girl brings another 20, how many sticks are there now? （桌子上原來有60根小棒，男孩子拿走了20根，還剩多少根小棒？）There are 60 sticks on the table, the boy takes away 20 sticks, how many left? 2.自己算一算 Do it by yourself. 3.母雞在找自己的孩子，請你幫幫它們，連線。The hen is looking for her children. Please help them to connect. 看圖：圖上畫的是那里?。浚ü麍@） Look at the picture: Where is it?果園里水果真多，都有那些水果？有多少？There are so many fruits in the