△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△学校班级姓名△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△○○○○○○○○○○○○○○○(装订线内不要答题)○○○○○○○○○○○○○第一学期四年级期中测试卷题号一二三四五六七总计得分一、我会填。(28分)1.10个十万是（        ），10个（        ）是一亿，一千万是（       ）个万。2.一个数由6个千万，2个十万、7个千组成，这个数写作（       ），把它四舍五入到万位约等于（          ）。3.60056004是（    ）位数，最高位是（    ）位，从右往左数，第一个“6”表示（      ），第二个“6”表示（      ）。这个数读作（                      ）。4.2050000改写成用万作单位的数是（       ），数字“5”所在数位的计数单位是（     ）。5.用7、0、5、3、8、2组成最大的六位数是（       ），组成最小的六位数是（        ）。6.244□498≈245万，□里最小能填（      ）。39□526≈39万,□里最大能填(     )。7.将锐角、钝角、直角、平角、周角按角度的大小从大到小排列是（                     ）18.如右图，已知∠1=30度，那么∠2=（）  ∠3=（）9.68×102≈（）198×21≈()10.把74000、70400、70004、70040按从小到大的顺序排列是：（   ）＜（   ）＜（   ）＜（   ）。11.一个因数扩大5倍，另一个因数缩小5倍，积（）。12.两位数乘三位数，积可能是（   ）位数，也可能是（   ）位数。二、我是小法官。（5分）1.角的两边越长，角就越大。（  ）\n2.一个数的近似数是20万，这个数一定比20万小。（  ）3.一个九位数，它的最高位是千万位。（  ）4.读4204200时，一个零也不读。    （  ）5.线段比射线短，射线比直线短。   （  ）三、对号入座。（10分）1.一个因数乘8，另一个因数除以8，积（）。A.不变    B.扩大4倍    C.64倍2.万位右边第二位是（    ）。A．十万位   B.百位  C.6百万位3.在2020后面添上（  ）个0 ，这个数就是二亿零九十万。A.4      B.5     C.64.下面乘积在2万～3万的算式是（  ）。A.82×79           B.31×220      C.621×395.下面各数中，一个“零”也不读的数是（）。A.9090000     B.9009000     C.9000009四、我是计算小能手。1.直接写出得数（10分）4×60=      490×2=    17×3=    36×8=270×6=390÷13=    620-78=   98÷7=25×4=      40÷4=2.竖式计算（12分）60×25=        13×235=        61×99=820×14=      703×62=        540×60=五、量一量、画一画。1.量出下面角的度数（3分）2.用合适的方法画120°的角。（3分）\n六、列式计算。(9分)1.53的102倍是多少?www.2.105乘21的积减去382,差是多少?3.176的24倍比369多多少?七、解决问题。1.一台新型织布机每小时织布40米.照这样计算工,为这台织布机280小时能织多少米布?(4分)www.2.华硕电脑公司三月份每天售出电脑295台.三月份大约要卖出电脑多少台?(4分)3.打字员每分种打字170个字,现在有一份5000字的文件要打,50分种打字字员可以打完吗?(4分)4．周末小刚去爬山,他从山脚爬到山顶用了15分钟,从山顶原路返回山脚用了10分钟,已知小刚上山的速度是60米/分。（1）从山脚到山顶有多远？(4分)（2）小刚返回时的速度是多少？(4分)\n\n在此处打试题内容△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△级别课程名称专业.班级姓名△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△○○○○○○○○○○○○○○○(装订线内不要答题)○○○○○○○○○○○○○△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△级别课程名称专业.班级姓名△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△○○○○○○○○○○○○○○○(装订线内不要答题)○○○○○○○○○○○○○在此处打试题内容\n在此处打试题内容△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△级别课程名称专业.班级姓名△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△○○○○○○○○○○○○○○○(装订线内不要答题)○○○○○○○○○○○○○\n在此处打试题内容△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△级别课程名称专业.班级姓名△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△○○○○○○○○○○○○○○○(装订线内不要答题)○○○○○○○○○○○○○△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△级别课程名称专业.班级姓名△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△△○○○○○○○○○○○○○○○(装订线内不要答题)○○○○○○○○○○○○○在此处打试题内容