五年级上册数学小数加减法口算练习题
精品文档
五年级上册数学小数加减法口算练习题
0.78,0.06, .1,0.68,.8,6.4, 0.42,0.39,
12.8,9.8,10.5,6.5,.8,2,5.7,3.8,
0.8,0.08,10,0.36, 1,0.65,4.2,3.02,
2.1+0.2= 0.3+0.7=3.6+1.6=7.5-0.5= .7-0.9=
2.13-0.02=.51+0.2=102+0.3= 1.12-1.02=.5-0.01=
0.7,0.9= 0.8,0.6=.24,3.76=.1,3.8= 14,0.78= 14.6,0.34= 1.3,8.56= 0.8,0.55=,0.04=1,0.03=0.5,3.05= 0.8,0.45= 0.78,2.2=,0.08=3.25,0.75= 10,
0.1= 0.35+0.2=
1.6-0.7=0.39+0.21= 1.25-0.95=8.23-3.2=
1.2-0.25=4.65+2.4= 1.21+0.19= 0.7,0.9= 0.8,0.6=8.24,3.76= .1,3.8=14,0.78= 14.6,0.34=1.3,8.56=0.8,
0.55=,0.04= 1,0.03=0.5,3.05= 0.8,0.45= 0.78,
2.2=5,0.08= .25,0.75= 10,0.1=
1.5,0.5,1,0.9,.3,0.6,0.9,0.8,
1.9,0.9=.5-.4= 0.36,0.64, 0.96,0.3
3.5+.2= -0.5=.7-0.4= 1-0.3= 0.8+ 0.7=.5-3=.8-1.1= .4-1.5=
1.5,0.5, 1,0.9,.3,0.6, 0.9,0.8,
1.9,0.9= .-2.4= 0.36,0.64, 0.96,0.3=
3.2+1.8=0.9+0.6=0.1,0.01= 1.2,0.12
1 / 5
精品文档
1,0.385=3.2,2.3=0.76,0.315,7.35,2.65
0.75,0.4,0,0.78,4.8,4.2, .7,3,
4.9,1.7, 1.34,0.8, ,0.75,8.7,0.03, 0.2,0.09,.5,2.5,1.36,0.4,.5,2.5, 1,0.45,100,0.97, 0.17,0.3, 0.82,0.22, 0.7,0.9= 0.8,0.6=.24,3.76=.1,3.8= 14,0.78= 14.6,0.34= 1.3,8.56= 0.8,0.55=,0.04=1
0.78,2.2=
,0.03=0.5,0.08=3.25,3.05= 0.8,0.75= 10,0.45= ,0.1=
一、口算。
2.1+0.2= 0.3+0.7=.6+1.6=.5-0.5=.7-0.9=
2.13-0.02=3.51+0.2= 102+0.3= 1.12-1.02=.5-0.01=
二、火眼金睛辩对错,并且改正。
12.45,1.35,0.6521.32,
=21.32,6.32+8.3=12.45, =15+8. =12.45,2
=23. =10.45
三、用简便方法计算。
27.3+73.2+72.785+189+21.85,1.75,0.25
768,274,12 .85+1.89+2.124.8+14.6+15.4
42.5,22.17,7.3.8+1.37+6.2+12.63
2 / 5
精品文档
四、火眼金睛辩对错。
整数加法交换律、结合律对小数同样适用
----------------
4.72+0.1,4.72+0.1=0 -----------------------------
一、口算。
2.1+0.2= 0.3+0.7=.6+1.6=.5-0.5=.7-0.9=
2.13-0.02=3.51+0.2= 102+0.3= 1.12-1.02=.5-0.01=
二、火眼金睛辩对错,并且改正。
12.45,1.35,0.6521.32,
=21.32,6.32+8.3=12.45, =15+8. =12.45,2
=23. =10.45
三、用简便方法计算。
27.3+73.2+72.785+189+21.85,1.75,0.25
768,274,12 .85+1.89+2.124.8+14.6+15.4
42.5,22.17,7.3.8+1.37+6.2+12.63
四、火眼金睛辩对错。
整数加法交换律、结合律对小数同样适用
----------------
4.72+0.1,4.72+0.1=0 -----------------------------
3 / 5
精品文档
一、想一想,填一填。
1、4角改写成用元作单位,可以写成 元,也可以写成小数是元。一本成语词典的标价为4.08元,改写为元、角、分为。
2、7分写成小数是元,6厘米用分米作单位写成小数是分米,用米作单位,写成小数是米。1米8分米写成小数是米。
3、在?里填上“,”、“,”或“=”。
0.06米?0.6米 分米?0.3米9厘米?0.9米
1米?0.99米3.51米?3.15米.2元?3.02元
二、对号入座。
1、小华身高130厘米,写成小数是
A.0.13米 B. 1.30米C.1.03米
2.用3、4、5和小数点一共能组成个小数。
A.B.C. D.12
3、在3.1和3.2之间。
A.有9个小数 B.有无数个小数 C.没有小数
4、一包口香糖标价5元4角改为小数表示是
A.5.40元B.5.04元 C.54.04元
三、直接写出得数。
3.5+4.2= +0.5=.7-0.4= 1-0.3=
0.8+0.7= .5-3=.8-1.1=.4-1.5=
4 / 5
精品文档
3米+0.5米= 0.7米+0.3米=0.6元+1.5元=
四、算一算
1.2-0. 1.4+0..2+3.88.4+1.96.8+3.4
五、读或写出下列小数。
1、一个洋娃娃8.05元。读作:
2、雪娟家离学校和平广场大约有0.8千米。读作:
3、高林在学校举行的秋季运动会中,跳远成绩为一点五二米。写作:
4、第28届雅典奥运会上,中国选手朱启南在10米气枪决赛中创造了七百零二点五环的世界纪录。写作:
六、我会应用。
1、学校举行跳高比赛,小华跳了1.05米,小明跳了1.12米,小兵跳了1.21米,小春跳了1.1米。请把他们的成绩按名次从高到低排列出来。
5 / 5
更多推荐
小数,学校,写成
发布评论