六年级上册数学期中测试卷

2024-12-01 16:33:24
推荐回答(5个)
回答1:

六年级数学上册期中测试训练卷
一、填空:20分数

1、小梅将4/5米的丝带平均截成3段,每段是4/5 米的( ),每段长( )米。

2、小刚将一张长方形纸的40%涂上蓝色,将剩下部分的3/5涂上红色,涂上红色的部分是这张纸的( )。

3、甲数的2/5是乙数的5/6,乙数是12,甲数是( )。

4、圆是( )图形,一个圆有无数条半径,它们都( )。圆的位置由( )决定。

6、比800少30%的数是( )

7、一个挂钟分针长5厘米,当时针走一圈时,分针的尖端走了( )厘米。

8、五(6)班有30名男同学,20名女同学,女同学占全班人数的( )%

9、甲数是40,乙数是80,甲数是乙数的( )%,乙数比甲数多( )%。

10、一个圆的半径扩大3倍,面积扩大( )倍。

11、把10克盐溶于90克水中,盐占盐水的( )%。

12、用同样长铁丝围成长方形、正方形和圆形,则围成的( )面积最大。

13、五年级(1)班同学共植树50棵,成活率是98%,没有成活的树有( )棵。

二、正确的在括号里画“√”,错的在括号里画“×”。(每小题1分,共8分)(

1、100比50多50%。 ( )

2、如果甲比乙多20%,则乙比甲一定少20%。 ( )

3、一百分之十七吨,可以写作17%吨。 ( )

4、半径为2厘米的圆,周长和面积相等。 ( )

5、周长相等的两个圆,它们的面积也一定相等。 ( )

6、周角的1/2减去平角的3/4,差是60°。 ( )

7、同一个圆中,直径是半径的2倍。周长是直径的3.14倍。( )

8、一种商品打“八五折”出售,也就是把这种商品优惠了15%。( )

三、把正确答案的序号填在括号里,每小题1分,共7分

1、n是非0的自然数,下面算式中得数最大的是( )
①n× 1/5 ② 1/5÷n ③n÷ 1/5

2、一桶油重3千克,倒出1/3 后又灌进1/3千克,这时桶里的油( )
①比原来少 ②比原来多 ③与原来同样多

3、种植99棵树,全部成活,成活率是( )。

①99% ②100% ③1%

4、甲船的速度比乙船快2%,即甲船速度是乙船的( )。

①2% ②98% ③102%

5、笑笑和淘气放学后一块儿回家。走了一段路程后,笑笑对淘气说:我己走了全程的40%,淘气说:我己走了全程的90%。( )先到家。

①笑笑 ②淘气 ③无法确定

6、一台电冰箱的原价是2400元,现在按八折出售,求现价多少元?列式是( )

①2400÷80% ②2400×80% ③ 2400×(1-80%)

7、九月份比八月份用水节约了8%,九月份的用水是八月份的( )

① 108% ②92% ③ 8% ④ 无法判断

四、计算题:

1、计算下面各题。(能简算的要用简便方法计算。)(24分)

5/12×28% ×3/14 7/9÷1/2 ÷35/36 3/5 × 8/9÷ 5/8

7÷70% 5/14 ×( 14/25+28) 16/23×27 + 16×19/23

2、解方程:(每小题3分,共6分)

50%χ + 130% χ =18 4.6χ - 60% χ = 40

五、操作题:8分

1、画一个周长为12.56厘米的圆。并标出圆心、半径、直径。4分

2、在下列的方格纸上按要求画图。4分

回答2:

四年级有147人,五年级的人数是四年级的六分之五,六年级的人数是五年级的七分之六,六年级的人数有多少人。用方程解答

回答3:

为什么

回答4:

trttttttttttttttttttttttttttttttttttttt

回答5:

(西师版的)第一题好像是修一条9分之2米的路,修()天可以修完…………什么什么嘀嘀嘀

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