四年级数学下册第六单元《小数的加法和减法》单元检测卷(无答案)新人教版.doc

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1、1小数的加法和减法检测试卷一、口算。2.6l.4 1.90.8l 0.580.42 1.631.230.90.25 9.90.01 42.3 3.2 一 1.77.050.05 0.780.38 3.5 十 5.5 5.53.9二、用竖式计算并验算。8.429.48 42.563.124 验算: 验算:91.2630.35 15.6 十 0.237 验算: 验算: 8052.l 7.351.41验算: 验算:三、用小数计算。2吨 50千克十 630千克5米 80厘米十 4米 15厘米5元 6角十 8元 3角四、选择题,把正确答案的序号填在括号里。1.计算 42.79.47 的正确坚式是( )

2、。 4 2 . 7 4 2 . 7 4 2 .7-9 . 4 7 -9 . 4 7 +9 4 72.用“米”作单位计算, “8米 6厘米十 5米 60厘米”的正确算式是( ) 。 8.65.6 8.065.06 8.065.63.减数增加 5.6,被减数不变,差( ) 。 增加 5.6 减少 5.6 不变24.两个小数相加,一个加数增加 0.7,另一个加数减少 3.6,和( ) 。 增加 4.3 增加 2.9 减少 2.95、8.48(0.653.48)( ) 8.480.653.48 8.483.480.65 8.483.480.65五、下面各题怎样算简便就怎样算。18.519.030.97

3、 326.4 十 68十 3.6 15.5十 26.5一 20.4 IO.27十 0.48.27 24.6一 3.98十 5.46.02 64.3 一 18.75十 15.7一 11.25六、解决问题。1.甲、乙两个工程队共同安装一条燃气管道,甲队每天安装 62.5米,乙队每天安装77.2米,10 天完成任务。这条燃气管道有多少米?2.水果超市第一天卖出樱桃 67.3千克,比第二天卖的多 18.8千克,第三天卖的比前两天的总和少 30.8千克。第三天卖了多少千克樱桃?33.有甲、乙两箱货物共重 24.72千克,甲箱重 15.3千克。甲箱比乙箱重多少干克?4.小泉买词典用去 23元 5角,比买文具盒多用去 8角 3分。他一共用去多少元?(用小数计算)5.一批货物承包给甲、乙、丙三个运输队,甲运了 95.8吨,比乙多运了 2.8吨,比丙少运4.8吨。这批货物共多少吨?

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