口算是数学教学方法之一。一种只凭思维及语言活动不借任何工具的计算方法。以下是小编准备的一些小学一年级数学口算题免费下载，仅供参考。
4-2+1= 1-1+9= 1-1+7=
7-1+3= 9-6-2= 9-5-4=
7-0-7= 8-1-6= 9-8-0=
6-5-1= 10-8-1= 10-8-1=
8-4-3= 8-7-1= 7-0-6=
7-0-7= 8-2-6= 6-3-2=
12 － 5= 13 － 5= 12 － 9=
11 － 6= 11 － 4= 14 － 5=
15 － 8= 11 － 2= 16 － 9=
12 － 8= 12 － 8= 16 － 8=
12 － 3= 11 － 8= 14 － 5=
14 － 7= 14 － 7= 12 － 8=
17 － 7= 12 － 8= 16 － 8=
13 － 7= 13 － 8= 12 － 7=
11 － 8= 12 － 7= 16 － 8=
11 － 7= 16 － 8= 14 － 8=
13 － 8= 17 － 7= 11 － 8=
12 － 8= 16 － 7= 12 － 7=
20+10= 60+10= 10+60=
60+30= 50+40= 60+20=
40+40= 40+20= 20+20=
10+40= 80+10= 20+20=
20+40= 40+20= 20+40=
20+20= 30+30= 40+40=
14-9+6= 13-9+8= 19-9+3=
15-9+1= 18-9+1= 17-9+8=
17-9+1= 13-9+2= 19-9+2=
15-9+9= 10-9+4= 10-9+3=
18-9+9= 16-9+1= 11-9+9=
12-9+2= 11-9+7= 14-9+3=
3+14=_____14+3=_____13+5=_____10+2=_____2+5=_____
17-3=_____3+7=_____12-8=_____9-4=_____20-13=_____
17-1=_____12+3=_____5+6=_____13+6=_____6+7=_____
5+2=_____7+7=_____12-11=_____5+8=_____17-10=_____
15-5=_____20-1=_____18-12=_____7+1=_____20-6=_____
8+6=_____3+13=_____1+19=_____11+6=_____2+10=_____
7+13=_____10-2=_____17-16=_____1+8=_____14+2=_____
1+12=_____9+5=_____11-10=_____3+3=_____8+2=_____
8+12=_____3+17=_____8+4=_____1+4=_____2-1=_____
9+9=_____19-5=_____20-18=_____8+7=_____20-3=_____
2+18=_____18-6=_____16-1=_____2+12=_____5+11=_____
17-7=_____5+1=_____10-1=_____12+5=_____11-2=_____
15+1=_____19-11=_____10+9=_____16-7=_____2+15=_____
16-15=_____15+3=_____9-4=_____20-1=_____6+8=_____
2+5=_____11-10=_____2+6=_____10+1=_____5+6=_____
13+4=_____20-1=_____2+7=_____15-12=_____1+2=_____
20-3=_____17-16=_____9+1=_____19-6=_____5+2=_____
14-1=_____13+7=_____19-4=_____3+5=_____17+3=_____
14+3=_____3+8=_____8+4=_____4+12=_____1+5=_____
1+14=_____9-8=_____19-18=_____6+13=_____13-3=_____
1+16=_____9+1=_____9+10=_____6+14=_____11+9=_____
10-2=_____18-17=_____8-6=_____9+6=_____18-8=_____
13+2=_____19-12=_____17-12=_____7-5=_____16-4=_____
2+12=_____13-1=_____16-8=_____15-8=_____19-16=_____
2+8=_____14+3=_____3+4=_____15+5=_____19-4=_____
5-1=_____19-10=_____7-1=_____6-1=_____15-2=_____
19-17=_____6+13=_____11-3=_____20-15=_____20-1=_____
10+4=_____7-6=_____19-16=_____6-3=_____5+8=_____
20-19=_____1+8=_____11+7=_____9+7=_____9-1=_____
17-9=_____17-7=_____18-4=_____14-13=_____14+3=_____
16-10=_____5+6=_____11-10=_____18-16=_____7+12=_____
9-1=_____20-15=_____10-9=_____20-8=_____20-11=_____
20-5=_____20-18=_____14+2=_____14-10=_____6+11=_____
12+7=_____12-10=_____14+5=_____18-4=_____9+8=_____
6+3=_____16-4=_____18-12=_____1+17=_____14+2=_____
4+4=_____10-2=_____14-6=_____17+3=_____1+3=_____
12-6=_____12+6=_____15+2=_____5+13=_____11-3=_____
2+1=_____16-14=_____9+6=_____1+8=_____4+12=_____
3+13=_____7+6=_____14-3=_____18-5=_____19-15=_____
12+1=_____12-1=_____18-1=_____13-11=_____16+1=_____
5+13=_____13-2=_____12-1=_____7-2=_____5+3=_____
10-1=_____12-2=_____9+5=_____13-1=_____3+5=_____
12+8=_____11+7=_____16-5=_____18-13=_____15-5=_____
4+5=_____13+4=_____6+7=_____11-10=_____18-16=_____
5-2=_____15+5=_____12+1=_____19-16=_____4+12=_____
14-6=_____7+8=_____16-6=_____3+7=_____11-9=_____
13-7=_____19-18=_____3+6=_____20-9=_____1+18=_____
4+11=_____7+13=_____1+7=_____13+2=_____17-8=_____
17-7=_____2+5=_____3-2=_____7+10=_____16-10=_____
5+6=_____14-2=_____18-2=_____11+7=_____10-8=_____