课前预习
10-7=
10-6=
12-7=
11-5=
14-7=
13-6=
13-4=
13-6=
课堂练习
1、连一连
2、计算
15-7=
16-7=
14-6=
12-4=
15-8=
16-8=
14-7=
13-4=
15-9=
16-9=
14-8=
14-4=
课后作业
比一比
11-2____14-5
13-5____11-3
14-6____15-7
12-5____11-3
11-5____14-3
10-5____11-6
13-8____12-4
15-6____11-2
17-8____12-4