三年级数学下册四《千克克吨》有多重练习北师大版.doc

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1、1有 多 重轻松准备早晨 6 时 30 分,小狗汪汪起床了,小狗妈妈端来一盆 2 千克重的洗脸水,小狗汪汪一手拿起重 10 吨的牙刷刷牙,一手托起热腾腾的毛巾洗脸。然后,它接过妈妈递过来的一块50 千克重的面包,背起 4 克重的书包朝学校走去。刚到校门口就碰见了 2 克重的蓝猫老师。汪汪连忙一口吞下面包,向老师问好后就向宠物教室跑去。同学们,请你运用本节所学的知识,并联系生活实际想一想这段话中的质量单位用得对吗?如果不对,一定要改正过来哟!快乐学习1在( )里填上合适的质量单位。(1)一枚 2 分硬币大约重 1( )。(2)一袋盐重 500( )。(3)淘气的体重大约是 30( )。(4)一个

2、苹果大约重 100( )。(5)两袋大米重 50( )。(6)一个鸡蛋重 60( )。2在括号里填上适当的数。6 千克=( )克 7000 克=( )千克10 千克=( )克 ( )克=4 千克( )g=5kg 9 千克=( )克3判断。5 千克水比 5000 克棉花重一些。 ( )一个乒乓球大约重 3 千克。 ( )电梯限乘 13 人,载重 2 kg。 ( )我今天喝了一瓶 1000 千克的可乐。 ( )一头牛约重 150 千克。 ( )4在( )里填上“ = 5. 2 米 18 厘米 8 分米 150 克 65 克 3 千克6. 10 袋7 (现提供两种答案仅供参考)方案一:小熊、小兔和一个 2 千克的西瓜坐载重 45 千克的船;其余的坐另一条船。方案二:小熊、一个 4 千克的西瓜和一个 500 克的西瓜坐载重 45 千克的船;其余的坐另一3条船。

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