目录

一、复习与提高.........................1
游海岛.................................2
谁先上岸...............................3
估算...................................6
加与减.................................7
“吃掉”的是几...........................8

二、乘法、除法（一）...................9
乘法引入...............................10
看图编乘法题...........................15
游乐场统计图...........................16
倍.....................................18
10的乘法...............................20
5的乘法................................22
2的乘法................................24
4的乘法................................26
8的乘法................................28
分一分与除法...........................30
用乘法口诀求商.........................35
几倍...................................36
盒子是空的——被除数为0..................38

三、乘法、除法（二）...................39
7的乘、除法............................40
3的乘、除法............................42
6的乘、除法............................44
9的乘、除法............................46
快乐的节日.............................48
分拆为乘与加...........................50
乘一乘，填一填.........................51
“九九”——乘法口诀表.....................52
有余数的除法...........................53
用乘法口诀做有余数的除法...............55
掷骰子，做除法.........................56
几张长椅...............................58

四、几何小实践.........................59
角与直角...............................60
正方体、长方体.........................62
长方形、正方形.........................67

五、整理与提高.........................69
2、4、8的乘法之间的关系................70
5、6、9的乘法之间的关系................71
数学广场——点图与数.....................72
乘法表.................................73
5个3加3个3等于8个3.....................76
5个3减3个5等于2个3.....................77
乘与除.................................78
数学广场——视图.........................80
数学广场一折纸.........................82