小学一年级上册口算练习题.doc

1、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= 11-10= 6+8= 2+5= 2+6= 10+1= 17-16= 13+4= 20-1= 1+2= 20-3= 2+7= 19-6= 15-12= 9+1= 14-1= 5+2= 13+7= 19-4= 3+5= 17+3= 3+8= 8+4= 17+3= 17+3= 4+12= 14+3= 1+14= 1+5= 3+14= 13-3= 10+2= 2+18= 18

2、-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= 11-10= 6+8= 2+5= 2+6= 10+1= 17-16= 13+4= 20-1= 1+2= 20-3= 2+7= 19-6= 15-12= 9+1= 14-1= 5+2= 13+7= 19-4= 3+5= 17+3= 3+8= 8+4= 17+3= 17+3= 4+12= 14+3= 1+14= 1+5= 3+14= 13-3= 10+2= 2+18= 18-6= 16-1

3、= 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= 11-10= 6+8= 2+5= 2+6= 10+1= 17-16= 13+4= 20-1= 1+2= 20-3= 2+7= 19-6= 15-12= 9+1= 14-1= 5+2= 13+7= 19-4= 3+5= 17+3= 3+8= 8+4= 17+3= 17+3= 4+12= 14+3= 1+14= 1+5= 3+14= 13-3= 10+2= 11+7= 7+12= 9-1= 10-8= 2

4、0-15= 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= 12-6= 12+6= 11-3= 15+2= 5+13= 9+6= 12+4= 16-14= 1+8= 4+12= 3+13= 14-3= 18-5= 7+6= 12+1= 12-1= 19-15= 18-1= 13-11= 16+1= 9-2= 16-7= 16-15= 18-14= 11+7= 7+12= 9-1= 10-8

5、= 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= 12-6= 12+6= 11-3= 15+2= 5+13= 9+6= 12+4= 16-14= 1+8= 4+12= 3+13= 14-3= 18-5= 7+6= 12+1= 12-1= 19-15= 18-1= 13-11= 16+1= 9-2= 16-7= 16-15= 18-14= 11+7= 7+12= 9-1= 1

6、0-8= 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= 12-6= 12+6= 11-3= 15+2= 5+13= 9+6= 12+4= 16-14= 1+8= 4+12= 3+13= 14-3= 18-5= 7+6= 12+1= 12-1= 19-15= 18-1= 13-11= 16+1= 9-2= 16-7= 16-15= 18-14= 9-8= 12-8= 2+5=

7、 19-18= 14+3= 17-3= 9-4= 6+13= 13+5= 3+7= 12+3= 5+6= 17-1= 5+2= 7+7= 6+7= 12-11= 19-3= 13+6= 15-5= 20-1= 5+8= 18-2= 7+1= 20-6= 8+6= 3+13= 1+19= 17-16= 7+13= 10-2= 11+6= 1+8= 14+2= 9+5= 2+10= 1+12= 8+12= 11-10= 3+3= 3+17= 8+4= 8+2= 2-1= 1+4= 9+9= 8+7= 9+6= 19-5= 5+6= 9-8= 12-8= 2+5= 19-18= 14+3= 17-3

8、= 9-4= 6+13= 13+5= 3+7= 12+3= 5+6= 17-1= 5+2= 7+7= 6+7= 12-11= 19-3= 13+6= 15-5= 20-1= 5+8= 18-2= 7+1= 20-6= 8+6= 3+13= 1+19= 17-16= 7+13= 10-2= 11+6= 1+8= 14+2= 9+5= 2+10= 1+12= 8+12= 11-10= 3+3= 3+17= 8+4= 8+2= 2-1= 1+4= 9+9= 8+7= 9+6= 19-5= 5+6= 9-8= 12-8= 2+5= 19-18= 14+3= 17-3= 9-4= 6+13= 13+5=

9、 3+7= 12+3= 5+6= 17-1= 5+2= 7+7= 6+7= 12-11= 19-3= 13+6= 15-5= 20-1= 5+8= 18-2= 7+1= 20-6= 8+6= 3+13= 1+19= 17-16= 7+13= 10-2= 11+6= 1+8= 14+2= 9+5= 2+10= 1+12= 8+12= 11-10= 3+3= 3+17= 8+4= 8+2= 2-1= 1+4= 9+9= 8+7= 9+6= 19-5= 5+6= 10-3= 17-8= 1+16= 9+1= 9+10= 10-2= 18-17= 6+14= 18-8= 9+6= 8-6= 7-5=

10、13+2= 19-2= 11+9= 17-2= 16-4= 13-1= 16-8= 2+12= 2+8= 15-8= 15-6= 19-4= 14+3= 3+4= 19-17= 5-1= 15+5= 20-1= 19-2= 7-1= 6-3= 6+13= 11-3= 11+7= 10+4= 8+7= 17-7= 7-6= 6+8= 14+3= 5+8= 15-8= 5+13= 1+8= 9+7= 13-2= 9-1= 17-9= 10-3= 17-8= 1+16= 9+1= 9+10= 10-2= 18-17= 6+14= 18-8= 9+6= 8-6= 7-5= 13+2= 19-2= 11

11、+9= 17-2= 16-4= 13-1= 16-8= 2+12= 2+8= 15-8= 15-6= 19-4= 14+3= 3+4= 19-17= 5-1= 15+5= 20-1= 19-2= 7-1= 6-3= 6+13= 11-3= 11+7= 10+4= 8+7= 17-7= 7-6= 6+8= 14+3= 5+8= 15-8= 5+13= 1+8= 9+7= 13-2= 9-1= 17-9= 10-3= 17-8= 1+16= 9+1= 9+10= 10-2= 18-17= 6+14= 18-8= 9+6= 8-6= 7-5= 13+2= 19-2= 11+9= 17-2= 16-4

12、= 13-1= 16-8= 2+12= 2+8= 15-8= 15-6= 19-4= 14+3= 3+4= 19-17= 5-1= 15+5= 20-1= 19-2= 7-1= 6-3= 6+13= 11-3= 11+7= 10+4= 8+7= 17-7= 7-6= 6+8= 14+3= 5+8= 15-8= 5+13= 1+8= 9+7= 13-2= 9-1= 17-9= 6-1= 18-4= 14-3= 10-1= 15-2= 12-2= 3+5= 9+5= 13-1= 18-3= 12+8= 11+7= 6+7= 15-5= 16-5= 12-1= 4+5= 13+4= 5-2= 7-2

13、= 5+3= 4+12= 15+5= 12+1= 3+7= 14-6= 7+8= 3+6= 16-6= 19-6= 20-9= 11-9= 13-7= 4+11= 1+18= 19-8= 7+13= 1+7= 13+2= 17-8= 17-7= 2+5= 3-2= 7+10= 16-9= 5+6= 11-1= 18-5= 14-2= 18-2= 6-1= 18-4= 14-3= 10-1= 15-2= 12-2= 3+5= 9+5= 13-1= 18-3= 12+8= 11+7= 6+7= 15-5= 16-5= 12-1= 4+5= 13+4= 5-2= 7-2= 5+3= 4+12= 15

14、+5= 12+1= 3+7= 14-6= 7+8= 3+6= 16-6= 19-6= 20-9= 11-9= 13-7= 4+11= 1+18= 19-8= 7+13= 1+7= 13+2= 17-8= 17-7= 2+5= 3-2= 7+10= 16-9= 5+6= 11-1= 18-5= 14-2= 18-2= 6-1= 18-4= 14-3= 10-1= 15-2= 12-2= 3+5= 9+5= 13-1= 18-3= 12+8= 11+7= 6+7= 15-5= 16-5= 12-1= 4+5= 13+4= 5-2= 7-2= 5+3= 4+12= 15+5= 12+1= 3+7=

15、14-6= 7+8= 3+6= 16-6= 19-6= 20-9= 11-9= 13-7= 4+11= 1+18= 19-8= 7+13= 1+7= 13+2= 17-8= 17-7= 2+5= 3-2= 7+10= 16-9= 5+6= 11-1= 18-5= 14-2= 18-2= 18-5= 16+4= 20-6= 17-5= 10-9= 10-5= 11-4= 1+8= 16-1= 17-5= 6+2= 6+10= 14-9= 18-1= 2+13= 6+8= 13-2= 13-3= 8+5= 19-4= 19-8= 7-4= 6+13= 17-3= 1+17= 20-6= 7-2=

16、5-2= 7+3= 14-2= 15+4= 14-8= 17-6= 11-2= 10-7= 6+2= 11-8= 9-4= 16-6= 14+1= 2+5= 2+17= 2+10= 8+12= 14+3= 8-2= 17+1= 20-5= 18-3= 11-9= 18-5= 16+4= 20-6= 17-5= 10-9= 10-5= 11-4= 1+8= 16-1= 17-5= 6+2= 6+10= 14-9= 18-1= 2+13= 6+8= 13-2= 13-3= 8+5= 19-4= 19-8= 7-4= 6+13= 17-3= 1+17= 20-6= 7-2= 5-2= 7+3= 14

17、-2= 15+4= 14-8= 17-6= 11-2= 10-7= 6+2= 11-8= 9-4= 16-6= 14+1= 2+5= 2+17= 2+10= 8+12= 14+3= 8-2= 17+1= 20-5= 18-3= 11-9= 18-5= 16+4= 20-6= 17-5= 10-9= 10-5= 11-4= 1+8= 16-1= 17-5= 6+2= 6+10= 14-9= 18-1= 2+13= 6+8= 13-2= 13-3= 8+5= 19-4= 19-8= 7-4= 6+13= 17-3= 1+17= 20-6= 7-2= 5-2= 7+3= 14-2= 15+4= 14

18、-8= 17-6= 11-2= 10-7= 6+2= 11-8= 9-4= 16-6= 14+1= 2+5= 2+17= 2+10= 8+12= 14+3= 8-2= 17+1= 20-5= 18-3= 11-9= 18-5= 15-9= 1+8= 19-4= 10+5= 19-2= 10-6= 12-9= 18-6= 14-8= 7+8= 18-4= 11-8= 8-7= 17+3= 1+3= 7-4= 2+5= 5-2= 14-3= 8+9= 13-1= 9+3= 7+12= 17-3= 20-9= 5-1= 20-5= 19-8= 12+2= 15-5= 12-3= 6+4= 7+5= 19-8= 18-1= 19-3= 8+9= 10-4= 2+3= 3+1= 4+10= 7+6= 8+9= 3+15= 12-3= 1+18= 19-2= 15-1= 11+2= 18-5= 15-9= 1+8=