3.15数学作业公示

日期

3.15

年级

三

学科

数学

预计作业时长

10分钟

年级主任审核签字

解芳

作业内容

作业题目

第4单元 认识千米

基础必做题：

具体内容：填一填。

(1)表示比较远的路程时，用(　　)作单位，可以用字母(　　)表示。

(2)4000米＝(　 　)千米  3千米＝(　   　)米

5米＝(　  　)厘米     60毫米＝(　　)厘米                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

提升选做题：从网上查找我国七大江河的长度，填在下表中。

部分解答参考建议

基础必做题：

（1）千米    km

（2）4    3000     500     6                    

备注：基础题必做，提升题选做。

主管领导签字：    时玉芳