本书严格遵循现行小学数学课程标准精心编纂,巧妙运用引人入胜的故事情节作为知识载体,将抽象的小学数学概念与原理生动展现。通过细致入微的知识点讲解,结合精心设计的动脑思考题与动手实践环节,不仅激发了学生的学习兴趣,更培养了他们的主动探索精神。书中穿插典型例题及其变形题目,辅以深入浅出的解析,鼓励学生触类旁通,深化对数学知识的理解与应用能力。此选题特别注重数学思维的磨砺与拓展,引领学生窥见数学之美,探索其背后的逻辑与奥秘,为学生拓宽视野、丰富知识底蕴奠定坚实基础。
蒋守成,江苏省小学数学特级教师,江苏省“333工程”高层次人才培养对象,常州市特级校长,龙城十佳校长,常州市金坛区东城实验小学校长,全国名师工作室联盟常务副理事长,江苏省小学数学专业学会理事,数学主题拓展教学的创立者,在辽宁海城、新疆克州、宁夏宁东、内蒙土默特左旗、陕西石泉等地成立了蒋守成名师工作站。先后主持了6项江苏省重点资助和规划立项课题,其研究成果获江苏省教学成果奖一等奖,《中国教育报》《江苏教育》《学习强国》等进行了研究成果推广和专题报道,应邀到全国28个省、市、自治区上展示课、做专题报告。先后出版了多部图书,如《华罗庚实验学校数学课本》 《小学数学奥林匹克同步训练ABC》《走进你知道吗》等。
第1 讲 速算与巧算(1)·······························.1
第2 讲 速算与巧算(2)·······························.5
第3 讲 巧算小数加减法································.9
第4 讲 找规律············································13
第5 讲 数字之谜·········································17
第6 讲 巧填符号·········································23
第7 讲 等差数列·········································27
第8 讲 观察物体·········································32
第9 讲 巧数图形·········································38
第10 讲 平行与垂直·····································43
第11 讲 三角形的三边关系····························48
第12 讲 图形的剪拼·····································52
第13 讲 周长问题········································57
第14 讲 面积问题········································62
第15 讲 和差问题········································67
第16 讲 和倍问题········································72
第17 讲 差倍问题········································77
第18 讲 年龄问题········································82
第19 讲 相遇问题········································86
第20 讲 追及问题········································91
第21 讲 盈亏问题········································96
第22 讲 周期问题·····································.101
第23 讲 平均数问题··································.106
第24 讲 植树问题·····································.111
第25 讲 等量代换·····································.116
第26 讲 逆推法解题··································.121
第27 讲 鸡兔同笼·····································.126
第28 讲 统筹规划·····································.132
第29 讲 游戏与对策··································.138
第30 讲 巧妙推理·····································.143