小学数学五年级下册口算竞赛试题
计划做题所需时间：10分钟成绩：书写:
、我会算。(200题，每题1分)
12.5 X 80= 14.8 + 0.1 = 7.2+4.8= 8.56 X 0=
4 + 2 =
5 5 55-5.5=
5
7 -
6.6 + 0.3=
3
-7 = 24+ 0.6=
92 + 100= 1.5 X
1000= 3.02 X 100=
4.8 + 48= 1 + 1 = 1 1
T -7 = 10
3 ==
14.8+2.2= 5 8 _ + _ =
9 9
0.6+7=
1.25 X 8=
3 7
2.6 X 0.3=
1
8
19 13
3 5
14.6+24= 2.4 X 4=
7
+ - = 0.9 X 7=
8
3
= 7.2 X 0.1= -
4
+7 =
11 1
c — C =
8 8
24 24
2.5 X 0.4=
3.35 X 1000= 1.2
+ 4=
6-2. 5= 0.9 + 3= 5 -1.7= 2.9 -
4.7+2.3= 46.7-3.8= 3.28 X 0.1 =
5.4
+ 0.6=
4.5 X 2=
12.8 + 4= 3.9 + 0.13= 3.2
+ 5=
6.9-2.5=
5.2 +13= 7.2 X 0.1 = 7 X 0.62=
7.2 X 0.8=
12 + 0.2= 0.01 X 0.1 = 0.56
+ 0.8=
6 X 3.4=
1.6 + 4= 0.25 X 0.4= 7.4-
2.8=
1.7+
2.7=
4.2+1.25=
0.62-0.32=
10
3.5 X 2=
+ 20= 1.6 + 0.8=
3.5+0.05=
0.18
+ 0.2=
1.4 X 0.5=
24 +12= 1 + 2.5= 0.16
+ 8=
0.75 X 100=
8.65 X 10= 1.25 X 0.8= 4.5 X 0.02=
5.4 X 0.1 = 0.03+30= 0.125 x 8= 3.25
x 1000=
8.1 + 100= 3.15 -1.5= 1.25 X 8= 3.43
1.7 - 0.7= 1
+0.3=
(3)
0.8 — ~ =
5
0.9+9=
2.5 X 0.4= 0.02
X 8=
0.4 X 50= 3.06 100=
2.215 X 0= 60
+ 6=
3 0.25+0.75=
4
0.8+0.8=
1.2 + 3= 0.49
X 3=
0.62-0.32= 10
+ 0.2=
1.4 X 0.5= 24
+ 8=
0.75 X 100= 8.65
12
37 + 1000= 0.7 X 8=
X 5= 80
X 10= 1.5
X 0.5= 2.8
3
-0.25= -
4
+ 0.7= 14
+ 20= 1.6
+15= 1
X 10= 1.25
X 1.25= 0.06
+ 10= 8
+ 2= 6.6
1 1
+ - + -
4 4
=9 X
X 0.5= 4.2
+ 0.8= 0.18
2.5= 0.16
X 0.8= 4.5 X
0.02=
8+7.2=
3.6 + 0.3= 3.08 X 0.01 = 0 + 1.7= 1.2 X
30=
6.3 + 7= 4.95 X 1000= 0.22 X 10= 0.012
X 0.2=
5.6 + 100=
6.9 X 0.1 = 9.6 + 0.8= 3 X
0.3=
0.75 + 0.25= 0.4 x 0.5= 5 X 0.24= 9 + 6=
0.125 X 8= 2.4 + 0.8= 4.5-0.05= 3.6
0.12=
4.8 + 0.3= 10.8 + 9= 3.9 + 0.13= 7.8
0.6=
0.96 + 2= 9.6 + 0.8= 16.5 + 0.5= 2 + 5= .
0.56 + 28= 0.108 + 2= 5 X 0.12= 4.5+5=
0.36 + 0.4= 4.95 + 0.9= 24 X 0.5= 0.3
0.6=
0.64 + 0.8= 9.65 + 0.1 = 4.8 X 0.5= 0.96
0.2=
0.72 + 3.6= 0.325 X 100= 2.8+4.2= 10.5
3.6 + 24= 2.5 X 8= 0.84 + 2.1 = 7.3+0.27=
0.8 X 1.1 =
0.56 + 0.7= 5 + 0.25= 8 X 0.125=
7.2+12.8=
+ 0.6=
0.61+0.39=
0.125 X 4=
5.6 + 100= 7.8+0.01= 0.54
8.71 + 0.1 =
3.5-0.05=
0.56 + 28=
0.41+3.7= 21 + 0.21 = 2 X 0.02=
10+ 20=
0.02 X 0.5= 0.8 X 0.13= 2.6 + 26=
4.08 + 0.4=
7.2-0.8= 0.34 + 17= 0.25
X 40=
二1 旦= 7.5— c 一0.125= .c + .c = 7 -—
10 +6 +10
3 , 3
-+一 =
8 8
班别：—0.75 + 4.25=
8 . 12 12
五年级数学下册口算题
_______ 姓名： ______________ 成绩：
4.2 X 5= 4.7 + 2.3=
8
5.6 + 100= 2.5 X 4= 10 - 9.25=
0.06 X 1.5=0.3 + 0.5= 0.7 X 0.8=
1 + 0.01 = 0.1 + 0.01 = 2.1 + 0.7=
1 - 0.34= 0.175 + 0.0225=
8X 0.125= 5.6 + 3.8= 0.62 －0.32=
0.02 X 0.5=
0.75 + 0.25= 16.8 + 4= 0.1 +100= 6.3
+ 0.9=
0.25 X 8= 0.04 X 2.5= 1 X 0.01= 0.1
+ 0.01 =
0.63 + 0.9= 0.6 + 0.54= 8.9 －0.9= 0.96
+ 2=
5.9 - 2.5= 4.5 X 2= 3.6 + 3=
0.125 X 8=
0.53 X 1000= 72.8 X 0.01 = 1 +125=
1.2 + 0.2=
1 + 0.01 = 48 + 0.6= 20 + 0.2= 1 X
0.4=
9.63 + 3= 7 - 0.23= 4.8 + 0.3= 7.2 —0.8=