一、小学六年级口算50道
/是分数线 左边是分母 *是乘号
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
12²=补充：3/4 - 1/2=
1/6 + 1/2 -1/6 =
7.5-(2.5+3.8)=
7/8 + 3/8 =
3/10 +1/5 =
4/5 - 7/10 =
2 - 1/6 -1/3 =
0.51÷17＝
32.8＋19＝
5.2÷1.3＝
1.6×0.4＝
1÷5＝
6÷12＝
0.87－0.49＝
二、五年级数学口算100道
4.7+2.3=7 4.5×2=9 6.9－2.5=4.4 7.2×0.8=5.76
6×3.4=20.4 0.62－0.32=0.3 1.4×0.5=0.7 0.75×100=75
0.02×0.5=0.01 3.6÷0.3=12 6.3÷7=0.9 5.6÷100=0.056
0.75÷0.25=3 0.125×8=1 4.8÷0.3= 16 0.96÷2=0.48
0.56÷28=0.02 0.36÷0.4= 0.9 0.64÷0.8=0.8 0.72÷3.6=0.2
3.6÷24=0.15 0.8×1.1=0.88 7.2+12.8= 20 46.7－3.8=42.9
12.8÷4=3.2 5.2÷13=0.4 12.5÷52.5= 0.2 1.64÷41=0.04
10÷20=0.5 24÷15=1.6 8.65×10=86.5 0.35×0.6=0.21
三、40题小数口算
0.88/2=0.44
0.21*2=0.42
2.1/3=0.7
3.2/2=1.6
0.1*0.1=0.01
0.1*0.2=0.02
0.2*0.2=0.04
0.3*0.6=0.18
0.5*0.6=0.3
0.8*0.5=0.4
0.5*0.2=0.1
0.9*0.8=0.72
0.9*0.7=0.63
0.9*0.6=0.54
0.9*0.5=0.45
0.9*0.4=0.36
0.9*0.3=0.27
0.9*0.2=0.18
0.9*0.1=0.09
0.8*0.8=0.64
0.8*0.7=0.56
0.8*0.6=0.48
0.8*0.4=0.32
0.8*0.3=0.24
0.8*0.2=0.16
0.8*0.1=0.08
0.7*0.7=0.49
0.7*0.6=0.42
0.7*0.4=0.28
0.7*0.3=0.21
0.7*0.2=0.14
0.7*0.1=0.07
0.6*0.6=0.36
0.6*0.4=0.24
0.6*0.3=0.18
0.6*0.2=0.12
0.6*0.1=0.06
0.5*0.5=0.25
0.5*0.3=0.15
4.2*1000=4200
2.3-1.3=1