三年级数学下册七《数据的整理和表示》小小鞋店练习北师大版.doc

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1小小鞋店轻松准备1初一年级三班同学在“你我同心,抗击洪灾”的募捐活动中,自愿捐款情况如下:每人捐款数(元) 2 5 10 20相应人数 5 10 20 15(1)根据表中所给的条件回答下列问题:该班共有多少名学生?全班共捐款多少元?(2)用画图整理数据的方法表示出各项捐款的人数。快乐学习2三年级同学在二月到六月份做好事的件数如下:二月 20 件;三月 40 件;四月 30 件;五月 25 件;六月 35 件。(l)将上面的数据制成统计表后填写完整。(2)用自己喜欢的方法表示出整理后的数据。3一次体育达标测试的成绩如下:优优优优优优优优优优优优优优优优优优优优优优优优 良 良良 良 良 良 良 良 良 良达标达标达标达标达标待达标(1)请你制成统计表。(2)根据统计表把整理后的数据用“正”字整理法和线段整理法标示出来。答案与点拨2

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