2022年新北师大版小学数学二年级上册全册教案 .pdf
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1、北师大版二年级数学上册教学设计(20162017 学年度第一学期)授课教师:王爱霞2016.8.26 一加与减课题谁的得分高(第1 课时)总课时7 教学目标1.能够从图表叙述的具体情境汇总提取数学信息,会读表格,发展收集信息的能力。2.初步学会分析数量关系的方法,能够用数学语言表达自己的思考过程。3.能正确计算100 以内数的连加运算,掌握连加竖式的写法,体验算法的多样化。4.在计算过程中初步养成认真、细心、耐心检查的良好学习习惯。重点难点能正确计算100 以内数的连加运算,掌握连加竖式的写法,体验算法的多样化。教学准备课件教学过程二次备课一、温故知新1.口算练习507030600303009
2、020405005002.求 38 加 25 的和。(1)怎样列竖式计算?(2)得数十位上为什么是“6”,而不是“5”?(3)你觉得计算时应注意什么问题?(4)回忆两位数笔算加法的法则是什么二、导学释疑1.自学:说一说,从表中你知道了哪些数学信息?2.研究:小组讨论他们谁说的对?为什么?算一算,他们分别得了多少分?到底谁获胜?3展示。针对研讨内容分小组展示,其他小组补充,师生共同评价。交流算法。三、巩固提升、检测反馈(1)25+17+31 46+19+12 37+29+19 26+19+41 请 4 位小朋友板演,其余小朋友同桌合作,一人两题。(2)三个小组一共有多少人?文档编码:CY4R7P
3、7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S
4、9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7
5、E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R
6、7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q
7、4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8
8、H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY
9、4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4文档编码:CY4R7P7A9N2 HA10Q4S9M3E7 ZA8F8H7E9A4四、小结。板书设计教学反思课题谁的得分高(第2 课时)总课时7 教学目标1.能够从图表叙述的具体情境汇总提取数学信息,会读表格,发展收集信息的能力。2.初步学会分析数量关系的方法,能够用数学语言表达自己的思考过程。3.能正确计算100 以内数的连加运算,掌握连加竖式的写法,体验算法的多
10、样化。4.在计算过程中初步养成认真、细心、耐心检查的良好学习习惯。重点难点能正确计算100 以内数的连加运算,掌握连加竖式的写法,体验算法的多样化。教学准备资料教学过程二次备课一、温故知新计算:(6 生板演)37+29+17 42+19+25 36+18+35 29+50+11 32+27+43 39+27+33 二、导学释疑1.新知:投飞镖比赛。2.研究:(1)说一说,从表中你知道了哪些数学信息?(2)你能看出奇思和妙想谁获胜吗?与同伴进行交流。(3)奇思一共得了多少分?妙想呢?文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1
11、 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3
12、 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文
13、档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9
14、B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6
15、X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H
16、5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1
17、P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H53.展示:针对研讨内容分小组展示,其他小组补充,师生共同评价。三、巩固提升(1)24+16+27 49+17+32 15+26+44 33+29+25(2)下表是我国运动员在近几届奥运会上获得的奖牌数。金牌银牌铜牌2000 年28 16 15 2004 年32 17 14 2008 年51 21 28 2012 年38 27 23 2000 年一共获得奖牌多少枚?2008 年
18、一共获得奖牌多少枚?请你再提出一个数学问题,并尝试解答。四、小结。板书设计教学反思课题秋游总课时7 教学目标1.能从具体的情境中获取信息,发现问题。2.经历探索连减计算方法的过程,掌握笔算连减竖式的方法,并能够准确地进行计算。3.感受数学与生活的密切联系,激发学习数学的兴趣,建立学好数学的自信心。重点难点掌握笔算连减竖式的计算方法。教学准备课件教学过程二次备课一、情景出示。去年秋游我们去了森林动物园。瞧,这些同学们来到了我们学校附近的老虎滩海洋公园。他们马上要乘船到海上游览一圈了。(一)观图,获取信息。说一说从图中你知道了哪些数学信息?生观图,获取信息。汇报:1.船上可以坐90 人。2.有两队
19、学生,一队有 45 人,一队有 25 人。(二)出示并解决问题1。两队都上船后,船上还有多少个空座位?(请您帮工作人员算一算,这样才能知道还可以上多少游客。)文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1
20、 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3
21、 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文
22、档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9
23、B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6
24、X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H
25、5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5文档编码:CV4B9X1P9B1 HA6O7W10W6X3 ZB8J2L2Y5H5二、问题研究。1.生读问题,独立思考。2.小组内讨论解决问题的方法,可以在练习本上边列式边说明。3.学生汇
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