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。

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