苏教版数学一年级上册全册ppt课件.pptx

苏教版数学一年级上册全册课件,全册课件,数 一 数,1和2,3和4,5和6,7,8,9,10,主题图,主题图,主题图,主题图,主题图,主题图,主题图,2022/12/21,11,苏教版小学数学一年级上册,比 一 比,2022/12/21,12,2022/12/21,13,长的画“”。,2022/12/21,14,长的画“”。,比较长短的方法：一端对齐，看另一端。,2022/12/21,15,高的画“”。,比较高矮的方法：站在同一高度。,2022/12/21,16,矮的画“”。,2022/12/21,17,重的画“”。,比较高矮的方法：下沉的一端重。,2022/12/21,18,轻的画“”。,2022/12/21,19,在最长的后面画钩,2022/12/21,20,比一比：高矮,2022/12/21,21,苏教版小学数学一年级上册,比 一 比 想想做做,2022/12/21,22,2022/12/21,23,2.近的路画“”。,2022/12/21,24,3.最长的画“”，最短的画“”。,2022/12/21,25,4.,2022/12/21,26,5.杯里水最多的画“”，最少的画“”。,2022/12/21,27,6.重的画“” 。,2022/12/21,28,7.找几个同学，从高到矮排排队。,思考题：,下一页,2022/12/21,29,返回,2022/12/21,30,苏教版小学数学一年级上册,分 一 分,2022/12/21,31,2022/12/21,32,玩 具,小汽车,球,积木,玩偶,2022/12/21,33,图 书,童话大王,森林王国,数学故事,科学天地,2022/12/21,34,把树叶分在3个框里，用线连一连。,按颜色分,2022/12/21,35,把树叶分在3个框里，用线连一连。,按形状分,2022/12/21,36,1. 圈出能在水中生活的动物。,2022/12/21,37,2. 空中飞的涂蓝色，陆地行的涂绿色，水中的涂红色。,2022/12/21,38,3. 先分一分，再说说是怎样分的。,2022/12/21,39,物体分类,苏教版小学数学一年级上册,2022/12/21,41,1,2,2022/12/21,42,2022/12/21,43,2022/12/21,44,2022/12/21,45,你能将这些物体分类吗？,2022/12/21,46,按种类分,布娃娃,玩具车,2022/12/21,47,按颜色分,红色,蓝色,2022/12/21,48,(1)请找出生活在水里的动物,2022/12/21,49,练一练,(2)找出生活在水里的动物有,2022/12/21,50,练一练,(3)填一填,动物有,植物有,2022/12/21,51,练一练,(4)找朋友,把同一种类的植物放在一起编号,1,2,3,4,5,6,2022/12/21,52,水果有(1 3 5),蔬菜有(2 4 6),物体分类,苏教版小学数学一年级上册,2022/12/21,54,你能将这些物体分类吗？,2022/12/21,55,按大小分,2022/12/21,56,按形状分,2022/12/21,57,认一认,长方体,正方体,圆柱,球,2022/12/21,58,练一练：,1找朋友：,2022/12/21,59,练一练,2填表,3,1,2,0,2022/12/21,60,练一练,3你能想出几种分法？,2022/12/21,61,练一练,4找一找生活中形状是 的物品，并与同伴说一说,2022/12/21,62,再见！,2022/12/21,63,2-5的分与合,苏教版小学数学一年级上册,2022/12/21,64,4,1,3,1,3,4,2022/12/21,65,4,2,2,2,2,4,2022/12/21,66,4,3,1,3,1,4,2022/12/21,67,2022/12/21,68,5,4,4,1,1,4,5,4,1,5,2022/12/21,69,5,3,2,5,2,3,5,3,2,5,2,3,2022/12/21,70,2022/12/21,71,2,3,1,1,2022/12/21,72,3,2,1,1,3,3,1,2022/12/21,73,再 见,2022/12/21,74,苏教版小学数学一年级上册,认 位 置,2022/12/21,75,上 下,在,的上面。,在,的下面。,红旗的下面是黑板。,2022/12/21,76,前 后,在,的前面。,在,的后面。,小明,小刚,小刚,小明,小刚的前面是小明。,2022/12/21,77,前 后,在,的前面。,在,的后面。,小红,小芳,小芳,小红,小红的后面是小芳。,2022/12/21,78,左 右,在,的左面。,在,的右面。,2022/12/21,79,左 右,在,的左面。,在,的右面。,小明,小红,小红,小明,小明在小红的左面。,2022/12/21,80,左 右,在,的左面。,在,的右面。,小刚,小芳,小芳,小刚,小芳在小刚的右面。,2022/12/21,81,1. 做游戏。,左手握拳头，右手握拳头；左边拍拍手，右边拍拍手；左手摸右耳，右手摸左耳。,2022/12/21,82,2. 说说你座位的前、后、左、右各是谁。,3.,苹果的上面是鸡蛋。,鸡蛋的下面是苹果。,2022/12/21,83,3.,热水瓶在茶壶的右面。,茶壶在热水瓶的左面。,2022/12/21,84,4. 把 左边的花涂红色，右边的花涂黄色。,2022/12/21,85,2022/12/21,86,位 置,苏教版小学数学一年级上册,2022/12/21,87,2022/12/21,88,在第1排第1个,在第2排第3个,2022/12/21,89,在第1排第1个,在第2排第3个,我在第1排第1个,我在第2排第3个,2022/12/21,90,2022/12/21,91,新华字典,新华字典,科学大世界,数学家的故事,成语故事,少年百科全书,第1层第2本是新华字典。,2022/12/21,92,8,看电影，找座位,比一比，看看谁最棒,2022/12/21,93,三排8座,四排1座,绿色圃小学教育网http:/Lspjy http:/cz.Lspjy,绿色圃小学教育网http:/Lspjy http:/cz.Lspjy,2022/12/21,94,双号门,单号门,四排8座,四排9座,2022/12/21,95,2022/12/21,96,说说你的收获,2022/12/21,97,1-5的认识,苏教版小学数学一年级上册,2022/12/21,98,数一数,2022/12/21,99,数一数,2022/12/21,100,认数、写数,1个小朋友,1,2022/12/21,101,认数、写数,2盆花,2,2,2,2,2,2,2,2022/12/21,102,认数、写数,3个小女孩,3,3,3,3,3,3,3,2022/12/21,103,认数、写数,5个星星,5,5,5,5,5,5,5,2022/12/21,104,认数、写数,4个气球,4,4,4,4,4,4,4,2022/12/21,105,说一说，数一数，写一写。,2022/12/21,106,说一说，数一数，写一写。,2022/12/21,107,1-5的认识想想做做,苏教版小学数学一年级上册,2022/12/21,108,1、,2022/12/21,109,2、看图涂色。,2,3,4,2022/12/21,110,3、,2022/12/21,111,4、数一数，写一写。,2022/12/21,112,5、读一读，排一排。,2022/12/21,113,6、补画出缺少的花。,2022/12/21,114,7、把星分成两堆，可以怎样分？,4个红色和1个黄色,2022/12/21,115,7、把星分成两堆，可以怎样分？,3个大星和2个小星,2022/12/21,116,8、,2022/12/21,117,9、,2022/12/21,118,苏教版小学数学一年级上册,认识几和第几,2022/12/21,119,说一说，几个人在排队？,2022/12/21,120,1,2,3,4,5,排在第2。,排在前两个的是谁？,2022/12/21,121,1,2,3,4,5,排在第4。,排在第2的是？,2022/12/21,122,排在第2。,从左边数排在第2。,从右边数排在第4。,2022/12/21,123,排在第3。,从左边数排在第3。,从右边数排在第3。,2022/12/21,124,从左边起，数3个人。,从左边起，第3个人。,2022/12/21,125,1、从左边起涂色。,几个和第几有什么不同？,2022/12/21,126,2、,5,2022/12/21,127,2、,5,2022/12/21,128,3、上山,1,2,3,4,5,2022/12/21,129,3、下山,1,2,3,4,2022/12/21,130,4、看图说话。,2022/12/21,131,苏教版小学数学一年级上册,0 的 认 识,2022/12/21,132,看图写数,3,2,1,5,2022/12/21,133,看图写数,采了 多少个蘑菇？,3,3个蘑菇。,2022/12/21,134,看图写数,采了 多少个蘑菇？,2,2个蘑菇。,2022/12/21,135,看图写数,采了 多少个蘑菇？,1,1个蘑菇。,2022/12/21,136,看图写数,采了 多少个蘑菇？,0,一个也没有。,2022/12/21,137,试一试,4,0,2022/12/21,138,从0开始,0表示开始。,2022/12/21,139,0的意义与写法,一个也没有,没有了,从0开始,2022/12/21,140,苏教版小学数学一年级上册,、和,2022/12/21,141,哪个文具盒里的笔多呢？,比铅笔,2022/12/21,142,4,4,5,3,2022/12/21,143,小猴队和小兔队哪队小动物多？,4,4,同样多,44,等号,读作：4等于4,铅笔图,2022/12/21,144,同样多,3,3,33,2022/12/21,145,松鼠队和小熊队哪队小动物多？,5,3,35,小于号,读作： 3小于5,2022/12/21,146,松鼠队和小熊队哪队小动物多？,5,3,53,大于号,读作： 5大于3,2022/12/21,147,34,43,2022/12/21,148,苏教版小学数学一年级上册,练习一,2022/12/21,149,1、树上各有几只脚？,2022/12/21,150,2、接着画，都画满5个。,2022/12/21,151,3、填一填，读一读。,1,4,5,2022/12/21,152,4、按要求画。,2022/12/21,153,5、,2,5,4,3,2022/12/21,154,6、,（1）一共有（ ）张卡片。,（2）左起第2张是（ ），右起第2张是（ ）。,（3）按从小到大的顺序排一排。,5,5,3,2022/12/21,155,7、,4,2,5,1,2022/12/21,156,8、,5,4,3,3,1,3,2022/12/21,157,9、,2022/12/21,158,思考题：,4块,5块,3整块和3个半块,4块多，不到5块,2022/12/21,159,69的认识,苏教版小学数学一年级上册,2022/12/21,160,2022/12/21,161,6个小朋友,6,2022/12/21,162,7个人,7,扔出去7个圈,2022/12/21,163,8,一共8个圈,2022/12/21,164,9,9个动物玩具,2022/12/21,165,对照着，写一写,4的左边有哪些数？右边有哪些数？,2022/12/21,166,把左边的8只动物圈起来，给从左边数的第8只小动物画上 。,老鼠排第1，谁排第9？ 排第几？,2022/12/21,167,69的认识,苏教版小学数学一年级上册,想想做做,2022/12/21,168,想想做做,1、,2022/12/21,169,想想做做,2、看数接着画。,2022/12/21,170,想想做做,3、看着直尺说一说，5离8近一些还是离1近一些。,2022/12/21,171,想想做做,4、圈起左边6朵，再把右起第7朵涂上红色。,2022/12/21,172,想想做做,5、,（1）一共有（ ）个水果。,（2） 是第2个， 是第（ ）个， 是第（ ）个。,（3） 后面有（ ）个水果， 前面有（ ）个水果。,7,5,6,6,3,2022/12/21,173,想想做做,6、,2022/12/21,174,想想做做,7、在里填“”或“”。,2022/12/21,175,想想做做,8、,4,4,2022/12/21,176,想想做做,9、,2022/12/21,177,想想做做,10、,2022/12/21,178,想想做做,11、,2022/12/21,179,10的认识,苏教版一年级数学上册,2022/12/21,180,1.引导同学们经历认识10的过程，初步建立10的数感；2.学会10以内数的数数、认数、读数、写数，比较大小。,教学目标,2022/12/21,181,2022/12/21,182,1,2,3,4,5,6,7,8,9,9,10,10,0,2022/12/21,183,1,2,3,4,5,6,7,9,10,10,9,8,9,9,10,10,0,2022/12/21,184,一共有( )个小朋友。,10,2022/12/21,185,丁丁,当当,从丁丁开始数,我是第7个。,2022/12/21,186,从当当开始数,我是第4个。,丁丁,当当,2022/12/21,187,填一填,读一读。,2,4,5,7,9,10,2022/12/21,188,6,5,8,9,10,找朋友,2022/12/21,189,连一连,6,10,7,8,9,2022/12/21,190,一共有( )只小鸭。,10,做一做,2022/12/21,191,从左边数起, 哪几只小鸭戴帽子了？,做一做,从右边数起呢？,2022/12/21,192,10的认识,苏教版小学数学一年级上册,想想做做,2022/12/21,193,想想做做,1、数出10根小棒。,2022/12/21,194,想想做做,2、,2022/12/21,195,想想做做,3、填一填，读一读。,2,4,5,7,9,10,2022/12/21,196,想想做做,4、,第2张是8，第5张是（ ），第10张是（ ）。,6,4,2022/12/21,197,想想做做,5、先从0写到10，再从大到小读一读。,2022/12/21,198,想想做做,6、,一共有（ ）只小鸭。,10,2022/12/21,199,想想做做,7、在里填“”“”或“”。,2022/12/21,200,想想做做,8、,4,7,10,2022/12/21,201,想想做做,9、,3,3,2022/12/21,202,练习二,苏教版小学数学一年级上册,2022/12/21,203,1、复习10以内的数。,2022/12/21,204,2、,4,8,3,9,2,8,2022/12/21,205,3、,一共有（ ）个 ，给正中间一个 涂红色，它的左右两边各有（ ）个 。,9,4,2022/12/21,206,4、,6,5,4,2,2022/12/21,207,5、填一填，读一读。,3,4,6,8,9,10,2022/12/21,208,6、,2022/12/21,209,7、,2022/12/21,210,8、左边可以画几个？右边呢？,2022/12/21,211,9、接着涂一涂，填一填。,7,9,2022/12/21,212,10、,2022/12/21,213,10、,2022/12/21,214,思考题： 照下图这样，把8根短绳连在一起，要打（ ）个结。,7,2022/12/21,215,苏教版小学数学一年级上册,认 识 图 形,2022/12/21,216,搭积木,2022/12/21,217,分一分,2022/12/21,218,分一分,2022/12/21,219,长方体,长长方方的，有平平的面。,2022/12/21,220,正方体,四四方方的，有平平的面。,2022/12/21,221,圆 柱,直直的，上下一样粗，两头是圆的。,2022/12/21,222,球,圆圆的，没有平平的面。,2022/12/21,223,想想做做,1、,2022/12/21,224,想想做做,2、,4,4,2,2,2022/12/21,225,想想做做,3、,3,1,6,2022/12/21,226,小学数学一年级上册,2022/12/21,227,基础篇,在长方体下面打“”。,2022/12/21,228,基础篇,在圆柱下面打“”。,2022/12/21,229,基础篇,在正方体下面打“”。,2022/12/21,230,基础篇,连一连。,2022/12/21,231,基础篇,连一连。,2022/12/21,232,基础篇,数一数，填一填。,（1） 有（ ）个， 有（ ）个， 有（ ）个， 有（ ）个。,2,3,2,4,2022/12/21,233,基础篇,数一数，填一填。,（2） 比 少（ ）个。,2,（3） 和 一共有（ ）个。,5,2022/12/21,234,拔高篇,先数一数下面的物体是由多少块积木搭成的，然后填在表格里。,6,2,7,1,2022/12/21,235,拔高篇,数一数。,4,6,2022/12/21,236,有趣的拼搭,苏教版小学数学一年级上册,2022/12/21,237,滚一滚,哪一个滚得快？,2022/12/21,238,堆一堆,哪一种最难堆？,2022/12/21,239,摸一摸,你摸出的是什么？,2022/12/21,240,搭一搭,比比谁搭得好？,2022/12/21,241,数一数,2022/12/21,242,动手搭出你喜欢的东西吧！,2022/12/21,243,2、3、4、5的分与合,苏教版一年级数学上册,2022/12/21,244,学习目标：1. 使同学们能够熟悉2、3、4、5各数的组成。2. 能够熟练记忆2、3、4、5的组成与分解。,2022/12/21,245,把,可以怎样放?,2022/12/21,246,4,3,1,2022/12/21,247,2,2022/12/21,248,1,3,2022/12/21,249,5可以分成几和几?几和几合成5?,2022/12/21,250,5,4,1,5,1,4,2022/12/21,251,2,3,3,2,2022/12/21,252,智慧城堡,加油啊！,2022/12/21,253,摆一摆,填一填。,1,1,2022/12/21,254,摆一摆,填一填。,2,1,1,2,2022/12/21,255,4,2,4,1,2,3,2022/12/21,256,2022/12/21,257,涂一涂，填一填(只用2种颜色)。,2022/12/21,258,总结： 通过对本课件的学习，同学们学会2、3、4、5的分与合了吗？,2022/12/21,259,苏教版一年级数学上册,610的分与合,2022/12/21,260,学习目标：1. 使同学们能够熟悉6-10的分与合。2. 能够熟练正确地写出6-10各数的组成。,2022/12/21,261,6个气球，分在两个手里拿，可以怎样分？,2022/12/21,262,6,5,1,6,1,5,6,4,2,6,2,4,6,3,3,2022/12/21,263,7,1,6,7,6,1,7,2,5,7,5,2,7,3,4,7,4,3,2022/12/21,264,哪两张卡片上的点子数合起来是6？,2022/12/21,265,哪两朵 上的数合起来是7？,4,5,3,6,1,2,1,6,2,5,3,4,2022/12/21,266,填一填。,7,5,6,6,2022/12/21,267,9,1,8,9,2,7,9,3,6,9,4,5,你还能想到什么？,2022/12/21,268,填一填。,8,8,1,8,7,9,6,2022/12/21,269,10,1,9,10,2,8,10,3,7,10,5,5,10,4,6,10,9,1,10,8,2,10,7,3,10,6,4,2022/12/21,270,10,8,7,6,5,4,3,2,1,2022/12/21,271,7,3,1,8,6,5,9,2,5,4,7是3的好朋友。,3是谁的好朋友？,2022/12/21,272,总结： 通过本节课的学习，同学们学会6-10的分与合了吗？,2022/12/21,273,5以内的加法,苏教版一年级数学上册,2022/12/21,274,1,2,4,1,2,3,2,2,3,1,4,1,4,3,3,5,4,5,2022/12/21,275,3人和2人，合起来是5人。,3,2,2022/12/21,276,加法,3 2 5,加号,读作：3 加 2 等于5,2022/12/21,277,3,读作：1 加 2 等于3,2022/12/21,278,4,2,2,4,2022/12/21,279,2.先画一画，再填得数。,3,5,5,2022/12/21,280,3. 想一想，填一填。,2,5,4,2022/12/21,281,2022/12/21,282,2022/12/21,283,2022/12/21,284,2022/12/21,285,5以内的减法,苏教版一年级数学上册,2022/12/21,286,5,4,2022/12/21,287,一共5人，走了2人，还有3人。,5人,走了2人,2022/12/21,288,读作：5 减 2 等于3,减法,5 2 3,减号,2022/12/21,289,1,读作：3减1等于2,2,2022/12/21,290,4,2,4,2022/12/21,291,2022/12/21,292,2022/12/21,293,2022/12/21,294,5以内数的加法和减法,练习课,苏教版一年级数学上册,2022/12/21,295,5,5,1.,2022/12/21,296,4,1,2.,2022/12/21,297,3.,4,1 + =,3,5,3 + =,2,2022/12/21,298,4. 先用 摆一摆，再说得数。,3 - 2,4 - 3,5 - 2,2022/12/21,299,1 + 3 =,4,1,4 - =,3,5.,2022/12/21,300,2,2,4,1,6.,2022/12/21,301,7.,3,4,5,1,2,1,2022/12/21,302,8.,2022/12/21,303,0的加法和减法,苏教版一年级数学上册,2022/12/21,304,3个小朋友浇花,2022/12/21,305,3个人浇完花走了,2022/12/21,306,3 3 0,一个数减去它本身等于0。,2022/12/21,307,2个气球,2022/12/21,308,0,2 2 0,2022/12/21,309,5朵花,0朵,5 0 5,2022/12/21,310,5,5,4,4,0,2022/12/21,311,2,4,0,1,0,1,2022/12/21,312,1,4,5,3,2,5,5,0,2022/12/21,313,2022/12/21,314,2022/12/21,315,苏教版一年级数学上册,得数是6、7的加法,2022/12/21,316,看谁算得都对。,2 - 0 =5 - 2 =3 + 1 =5 - 4 =,2341,3 + 0 =4 - 4 =5 - 3 =2 + 3 =,3025,0 + 5 =4 + 1 =4 - 2 =4 - 3 =,5521,2022/12/21,317,5人和1人，合起来是6人。,2022/12/21,318,516,2022/12/21,319,1人和5人，合起来是6人。,2022/12/21,320,156,2022/12/21,321,516,156,7,4,7,2022/12/21,322,6,6,5,2,7,2,5,7,2022/12/21,323,2. 想一想，填一填。,7,7,6,2022/12/21,324,2022/12/21,325,5,6,7,5,6,7,5,6,7,2022/12/21,326,2022/12/21,327,通过这节课的学习，你学到了什么？,总 结,2022/12/21,328,苏教版一年级数学上册,6、7减几,2022/12/21,329,看谁算得都对。,2 + 4 =5 + 2 =3 + 4 =,677,6 + 0 =4 + 3 =5 + 1 =,676,3 + 3 =4 + 1 =6 + 1 =,657,2022/12/21,330,你能提出什么问题？,2022/12/21,331,女孩有（ ）人，男孩有（ ）人，合起来是（ ）人。,2,4,6,246,2022/12/21,332,一共有6个小朋友，女孩有 2 人，男孩有（ ）人。,4,624,2022/12/21,333,一共有6个小朋友，男孩有 4 人，女孩有（ ）人。,2,642,2022/12/21,334,624,642,5,5,2,2022/12/21,335,4,4,3,1,5,6,5,1,2022/12/21,336,2. 想一想，填一填。,1,6,3,2022/12/21,337,2022/12/21,338,1,2,3,3,2,1,3,4,5,2022/12/21,339,2022/12/21,340,2022/12/21,341,通过这节课的学习，你学到了什么？,总 结,2022/12/21,342,8的加减法,苏教版一年级数学上册,2022/12/21,343,7,4,6,4,7,7,7,6,6,6,5,1,1,0,3,3,开火车，看谁算得又快又准。,2022/12/21,344,4,3,8,1,7,8,2022/12/21,345,8,8,3,5,2022/12/21,346,8,2,6,8,8,6,6,2,2022/12/21,347,7,1,8,1,7,8,8,1,7,8,7,1,2022/12/21,348,4,4,8,8,4,4,2022/12/21,349,2022/12/21,350,4,6,3,7,2,1,5,0,2022/12/21,351,4,8,8,8,8,8,8,2,7,1,6,3,2022/12/21,352,1,2,3,4,5,6,7,0,8,1,1,7,7,2,2,6,6,3,3,5,5,4,4,4,4,5,5,3,3,6,6,2,2,7,7,1,1,8,8,0,0,0,0,8,8,点数字,2022/12/21,353,用括线和问号表示的实际问题,苏教版一年级上册,2022/12/21,354,5,3,8,5,3,8,2022/12/21,355,1,7,1,7,2022/12/21,356,4,3,7,4,3,7,2022/12/21,357,3,3,6,3,3,2022/12/21,358,4,4,8,+,5,2,7,+,2022/12/21,359,8,3,5,-,7,1,6,-,2022/12/21,360,3,3,2022/12/21,361,9的加减法,苏教版一年级数学上册,2022/12/21,362,9,9,8,1,2022/12/21,363,5,9,4,4,9,5,9,5,4,9,4,5,2022/12/21,364,2022/12/21,365,2022/12/21,366,9,6,7,2,5,9,9,9,9,3,9,4,2022/12/21,367,2022/12/21,368,5,2,7,8,4,5,2022/12/21,369,3,5,2,7,9,2022/12/21,370,10的加减法,苏教版一年级上册,2022/12/21,371,开火车，比比谁说的又快又准,18 35 45 85 94 92 10 10 1 6 2 8 5 5,9,3,4,10,9,9,7,5,8,10,2022/12/21,372,10,10,6,4,2022/12/21,373,3,10,7,7,10,3,10,7,3,10,3,7,2022/12/21,374,找10的好朋友,方法：参与游戏的小朋友，每个人有自己的数字卡，两个小朋友的数字卡合起来是10的，就是一组好朋友。例如 A:我是1，谁是我的好朋友？ B:我是9，我是你的好朋友。,2022/12/21,375,2022/12/21,376,2022/12/21,377,8,10,7,10,6,10,5,10,6,4,10,7,3,10,8,2,10,9,1,10,2022/12/21,378,10,9,10,10,2,10,8,3,10,10,0,7,2022/12/21,379,5,2022/12/21,380,求未知加数,苏教版一年级上册,2022/12/21,381,2022/12/21,382,8,10,+,（ ）,?,=,2,2022/12/21,383,2022/12/21,384,1,2. 看算式，画画填填,2022/12/21,385,2022/12/21,386,2 ,10,（ ）,=,10,（ ）,=,7,（ ）,=,9,（ ）,=, 9, 3,4 ,2022/12/21,387,2022/12/21,388,2022/12/21,389,连加、连减,苏教版一年级上册,2022/12/21,390,口算,41= 52= 52=,53= 71= 31=,93=,102=,5,6,8,2,3,8,7,8,2022/12/21,391,4,2,1,2022/12/21,392,8,35,2022/12/21,393,8,3,1=,5,4,2022/12/21,394,3,3,9,2,4,2022/12/21,395,4,4,3,11,2022/12/21,396,2,4,3,2022/12/21,397,8,0,8,2,10,3,2022/12/21,398,3,4,2,9,2022/12/21,399,苏教版数学一年级上册,加减混合,2022/12/21,400,1.口算,8- 4=,10-5=,4+5=,6+3=,8- 6=,7+3=,5+3=,6- 4=,2.看图写式,3+4=7,4+3=7,7-4=3,7-3=4,？,2022/12/21,401,72,3,5,8,2022/12/21,402,10,8,2022/12/21,403,3,5,2022/12/21,404,3,6,2022/12/21,405,7,3,1,9,7,7,2,3,2022/12/21,406,连一连,2022/12/21,407,2022/12/21,408,苏教版一年级上册第八单元10以内的加法和减法,2022/12/21,409,5,3,8,3,5,8,8,3,5,8,5,3,2022/12/21,410,2,3,5,10,3,7,2022/12/21,411,2022/12/21,412,2022/12/21,413,8,2,5,5,9,6,4,3,1,10,9,2,8,2,5,5,6,5,6,1,2022/12/21,414,4,8,5,2022/12/21,415,10,5,7,5,2022/12/21,416,2022/12/21,417,3,5,3,5,8,8,3,8,3,5,2022/12/21,418,2022/12/21,419,2022/12/21,420,7,6,5,4,2022/12/21,421,1120各数的认识,苏教版一年级数学上册,2022/12/21,422,先数出十根小棒，捆成一捆。,2022/12/21,423,10根小棒,1捆小棒,10个一是1个十。,2022/12/21,424,12,写作：,读作：十二,摆12根小棒，怎样摆能看得更清楚？,2022/12/21,425,11,2022/12/21,426,13,2022/12/21,427,16,2022/12/21,428,19,20,2022/12/21,429,20,2个十是20。,2022/12/21,430,读直尺上的数。,2022/12/21,431,从7数到17,从18数到6,2022/12/21,432,先估一估是多少，再数出来。,2022/12/21,433,先估一估是多少，再数出来。,2022/12/21,434,从 1 到 20，按顺序把点连起来。,2022/12/21,435,2022/12/21,436,2022/12/21,437,2022/12/21,438,生活中的数学,2022/12/21,439,在教科书上先数出10张，看看有多厚; 再数出20张，看看有多厚 。,2022/12/21,440,1120各数的认识,苏教版一年级数学上册,2022/12/21,441,复习,2022/12/21,442,19,填一填,11,12,15,16,18,20,2022/12/21,443,2022/12/21,444,1,11,计数器,1,1个十和1个一合起来是11。,2022/12/21,445,1,16,6,1个十和6个一合起来是16。,2022/12/21,446,1,19,9,1个十和9个一合起来是19。,2022/12/21,447,2,19,0,2个十是20。,20,2022/12/21,448,1 5,2 0,1,5,2,2022/12/21,449,2022/12/21,450,1,5,13,20,2022/12/21,451,12,14,15,17,18,20,2022/12/21,452,20,7,9,11,18,20,2022/12/21,453,2022/12/21,454,10加几及相应的减法,苏教版一年级上册第9单元,2022/12/21,455,1个十和3个一合起来是( )。,16里面有( )个十和( )个一。,1个十和( )个一合起来是19。,20里面有( )个十。,13,1,6,9,2,填一填,2022/12/21,456,628,268,826,862,看图写算式,2022/12/21,457,105,51015,15,加法,2022/12/21,458,15510,15105,减法,2022/12/21,459,15510,15105,10515,51015,对比两组算式，你发现了什么？,2022/12/21,460,17 7 10,17 10 7,10 7 17,7 10 17,2022/12/21,461,12,12,10,2,19,19,9,10,2022/12/21,462,106=1810=410=,1 10=1310= 111=,107= 1610=510=,16,8,14,11,3,10,3,6,15,2022/12/21,463,13 3 10,10 4 14,2022/12/21,464,苏教版一年级上册第九单元认识1120各数,2022/12/21,465,13,15,2022/12/21,466,13,15,17,18,20,18,17,16,14,13,2022/12/21,467,2022/12/21,468,2022/12/21,469,13,5,9,2,1,2,3,2022/12/21,470,苏教版一年级上册第十单元20以内的进位加法,9加几,2022/12/21,471,102 12109 19106 16 71017 31013 81018,102,109,106,710,810,问题：你们是怎么算得又快又准的？,102 12109 19106 16 71017 31013 81018,算一算,2022/12/21,472,298,387,655,476,2981938718655164761799119,2981938718655164761799119,问题：这些算式里没有10，你们怎么也算得这么快啊？,小结：看来10真是我们的好朋友，找到它，计算就能又快又