最新人教版小学五年级上册数学口算试题全套
山东高考数学-中国人民解放军国际关系学院
五年级上册口算题2
1、用简便记法表示下列循环小数。
①
31.44…=②35.1333…=③90.121212…=④6.08999…=
⑤75.0010101…=⑥1.309309309…=⑦8.812812…=
⑧795.795795795…=⑨72.072072…=⑩1.366366…=
2、把下面的循环小数分别保留两位小数。①3.151515…≈
②2.469≈③5.807≈④1.666…≈⑤5.0909…≈
⑥7.89≈⑦9.7≈⑧2.9090…≈⑨9.8≈⑩8.405≈
3、下面哪些数是循环小数?在()里画√
①0.555…()②1.6565…()③
0.1919…()
④3.24372()⑤0.32424…()⑥2.886()
4计算下面各题,商是有限小数的画×,商是无限小数的画√并将下列结果保留
两位小数。
①11
÷3≈()
②1.425÷7≈()
③
3869÷8≈()
④7.4
÷6≈()
⑤84.5÷9≈()
⑥
32÷3.6≈()
⑦4
÷9≈()
⑧
5÷7≈()
⑨
7.01÷2≈()
⑩3.8
÷1.5≈()
5、在○ 里填上“>” “<” 或 “=”。
①1.73
○
1.74
②1.312
○
1.31 ③7.09
○
7.09
④0.563
○
0.563
⑤
1.309
○
1.309309309 ⑥
1.13
○
1.131 ⑦7.9
○
7.99
⑧6.0899…
○
6.089
⑨10.01
○
10.011010…⑩0.85454…
○
0.854
6、把下列算式组成一个综合算式。
①2.8
÷0.2=14
②3.6-1.8=1.8 ③0.4×20=8 ④9.3÷31=0.3
18-14=4 10.8÷1.8=6
0.96÷8=0.12 4.5+0.3=4.8
⑤5.6-4.8
=0.8 ⑥ 0.36÷0.3=1.2
⑦3.5+4.5=8 ⑧ 20×0.9=18
0.3×0.8=0.24
1.2÷4=0.3 8÷0.5=16 18÷0.3=60
7、 (0.44+0.4 )
÷0.84=
1.23×0.1÷0.01 0.48+0.12×0.5
2.22-3÷1.5
====
====
15×(0.25+0.15)(3.43+2.99)÷2 0.33÷11×3
2.1÷0.7-0.33
====
====
8、
①1÷0.25×0.1 ② 4÷5- 0.6 ③ 3.6+0.9×3 ④
0.1÷0.25÷0.4
=
===
====
⑤7.2-7.2÷6 ⑥4.2-2.8÷7 ⑦12.3÷3+6.9
⑧(1-0.35)×0.3
====
====
9、
①1.2÷(20×0.3)②2.7÷9-0.25 ③1.25×8-9.9
===
===
④3.33×2-5.66
⑤3.4÷17-0.11 ⑥ 0.3×0.4+0.8
===
===
⑤
0.33÷11×3 ⑧ 27-0.5×6
⑨1÷(7.5-5.5)
===
===
11
2.1÷0.7-0.33 ○
12
(1-0.35)×0.3
⑩1-0.12×8 ○
===
===
13
(3.5+6.5)÷0.1 ○
14
7.2-7.2÷6 ○
15
1.25×8-9.7
○
===
===
16
1-(0.8+0.2)○
17
0.12÷0.12-0.1
○
18
8-5.6÷0.7 ○
===
===
19
0.04+0.12×0.5
○
20
2.1-2.8÷7
○
21
3.7+0.4×0.5 ○
===
===
22
10×0.01÷8 ○
23
0.9+0.5×2
○
24
15×(0.25+0.15) ○
===
===
25
5.4÷9×2.1
○
26
(3.43+2.99)÷2 ○
27
6.5+0.9-1.99 ○
===
===
28
2.22-3÷1.5
○
29
0.34+1.21×3
○
30
0.4×(9.9÷1.1) ○
===
===
10脱式计算:
① 3.6+0.9×3 ②(0.44+0.4)÷0.84
③0.1×100÷50 ④4÷5-0.6
=
===
====
(0.2+0.8)÷4 ⑥ 0.3×6-0.3 ⑦(1-0.26)×0.8
⑧0.64÷2×4
====
====
11
①5.1+8.1÷9= ②2.2+3×0.2= ③
2.88÷4÷0.9=
④0.6×3-1= ⑤2.8-1.5×1=
⑥0.1÷5+0.08=
⑦ 0.48÷1.2×5= ⑧0÷0.2+0.2=
⑨(5.4+3.6) ÷10=
11
1-0.12×8=○
12
2.1÷0.7-0.33= ⑩2.8-2
.8÷2.8=○
13
(
1-0.35
)×
0.3=○
14
(3.5+6.5)
÷0.1=
○
15
7.2-7.2÷6=
○
16
0.25×8+8=○
17
15×(0.25+0.15)=○
18
7.5-4×1.5=
○
19
0.3×3+0.1=○
21
2.7÷9-0.25=
20
1.1÷11+0.9=
○
○
23
5×2.4÷4=
○
24
0.5×4-2=
22
1.2÷(20×0.3)=
○
○
25
2.5×40
÷10=
○
26
0.2+4÷0.5=
○
27
8.9-0.
2×3=
○
28
0.8×(4×20)=
○
29
9.5÷5+
○
30
2.7×0÷3.5= 0.01=
○
12
用竖式计算并验算:
1
7.2÷1.2=②1.68÷0.21=③9÷0.18=④37.8÷2.7=
○
⑤
0.04÷2.5=⑥1.8÷0.24=⑦6.21÷0.3=⑧47.04÷5.6=
13用竖式计算并验算:
① 5.05÷0.5=② 38.2÷9.55=③
2.1÷0.56=④0.36÷1.2=
⑤
6.88÷0.4=⑥1.76÷1.1=⑦0.45÷0.5=⑧0.175÷0.25=