页眉内容20以内退位减法（1）11-6= 13-7= 14-9= 12-8= 11-9= 12-9= 12-7= 11-3= 12-3= 16-7= 15-6= 13-9= 17-9= 14-8= 15-9= 17-8= 13-8= 12-6= 14-7= 11-6= 14-6= 11-4= 11-2= 13-4= 13-6= 12-4= 11-8= 12-5= 13-7= 14-6= 15-7= 18-9= 11-5= 15-8= 16-9= 16-8= 13-8= 12-6= 14-7= 11-6= 13-7= 14-5= 15-7= 18-9= 12-3= 16-7= 15-6= 13-9= 20以内退位减法（2）12-3= 16-7= 15-6= 13-9= 14-6= 11-4= 11-2= 13-4= 13-8= 12-6= 14-7= 11-6= 11-7= 13-5= 14-9= 12-8= 13-7= 14-5= 15-7= 18-9= 11-9= 12-9= 12-7= 11-3= 13-6= 12-4= 11-8= 12-5= 17-9= 14-8= 15-9= 17-8= 11-5= 15-8= 16-9= 16-8= 13-7= 14-5= 15-7= 18-9= 11-5= 17-9= 15-9= 11-3= 14-9= 12-9= 12-7= 14-7= 20以内退位减法（3）14-6= 11-4= 11-2= 13-4= 页眉内容12-3= 16-7= 15-6= 13-9= 13-8= 12-6= 14-7= 11-6= 17-9= 14-8= 15-9= 17-8= 11-5= 15-8= 16-9= 16-8= 11-9= 12-9= 12-7= 11-3= 13-7= 14-5= 15-7= 18-9= 11-7= 13-5= 14-9= 12-8= 13-6= 12-4= 11-8= 12-5= 13-8= 12-6= 14-7= 11-6= 12-3= 16-7= 15-6= 13-9= 11-5= 15-8= 16-9= 16-8= 20以内退位减法（4）11-9= 12-9= 12-7= 11-3= 14-6= 11-4= 11-2= 13-4= 11-5= 15-8= 16-9= 16-8= 13-6= 12-4= 11-8= 12-5= 17-9= 14-8= 15-9= 17-8= 13-7= 14-5= 15-7= 18-9= 12-3= 16-7= 15-6= 13-9= 13-8= 12-6= 14-7= 11-6= 11-7= 13-5= 14-9= 12-8= 11-9= 12-9= 12-7= 11-3= 13-7= 14-5= 15-7= 18-9= 13-6= 12-4= 11-8= 12-5= 20以内退位减法（5）11-5= 15-8= 16-9= 16-8= 17-9= 14-8= 15-9= 17-8= 13-6= 12-4= 11-8= 12-5= 页眉内容12-3= 16-7= 15-6= 13-9= 11-9= 12-9= 12-7= 11-3= 13-8= 12-6= 14-7= 11-6= 11-7= 13-5= 14-9= 12-8= 14-6= 11-4= 11-2= 13-4= 13-7= 14-5= 15-7= 18-9= 11-7= 13-5= 14-9= 12-8= 13-8= 12-6= 14-7= 11-6= 12-3= 16-7= 15-6= 13-9= 20以内退位减法（6）17-9= 14-8= 15-9= 17-8= 11-5= 15-8= 16-9= 16-8= 13-8= 12-6= 14-7= 11-6= 11-7= 13-5= 14-9= 12-8= 14-6= 11-4= 11-2= 13-4= 13-7= 14-5= 15-7= 18-9= 12-3= 16-7= 15-6= 13-9= 11-9= 12-9= 12-7= 11-3= 13-6= 12-4= 11-8= 12-5= 12-3= 16-7= 15-6= 13-9= 14-6= 11-4= 11-2= 13-4= 13-8= 12-6= 14-7= 11-6= 20以内退位减法（7）11-9= 12-9= 12-7= 11-3= 12-3= 16-7= 15-6= 13-9= 13-6= 12-4= 11-8= 12-5= 11-5= 15-8= 16-9= 16-8= 12-6= 13-8= 14-7= 11-6= 页眉内容17-9= 14-8= 15-9= 17-8= 11-7= 13-5= 14-9= 12-8= 13-7= 14-5= 15-7= 18-9= 14-6= 11-4= 11-2= 13-4= 12-6= 13-8= 14-7= 11-6= 12-3= 16-7= 15-6= 13-9= 11-5= 15-8= 16-9= 16-8= 20以内退位减法（8）12-3= 16-7= 15-6= 13-9= 13-6= 12-4= 11-8= 12-5= 13-8= 12-6= 14-7= 11-6= 11-9= 12-9= 12-7= 11-3= 17-9= 14-8= 15-9= 17-8= 11-7= 13-5= 14-9= 12-8= 13-7= 14-5= 15-7= 18-9= 14-6= 11-4= 11-2= 13-4= 11-5= 15-8= 16-9= 16-8= 14-6= 11-4= 11-2= 13-4= 13-7= 14-5= 15-7= 18-9= 11-9= 12-9= 12-7= 11-3= 20以内退位减法（9）13-7= 14-5= 15-7= 18-9= 17-9= 14-8= 15-9= 17-8= 14-6= 11-4= 11-2= 13-4= 11-9= 12-9= 12-7= 11-3= 13-8= 12-6= 14-7= 11-6= 11-7= 13-5= 14-9= 12-8= 12-3= 16-7= 15-6= 13-9= 页眉内容13-6= 12-4= 11-8= 12-5= 11-5= 15-8= 16-9= 16-8= 11-9= 12-9= 12-7= 11-3= 13-7= 14-5= 15-7= 18-9= 14-6= 11-4= 11-2= 13-4= 20以内退位减法（10 ）12-3= 16-7= 15-6= 13-9= 11-7= 13-5= 14-9= 12-8= 13-8= 12-6= 14-7= 11-6= 11-9= 12-9= 12-7= 11-3= 14-6= 11-4= 11-2= 13-4= 11-5= 15-8= 16-9= 16-8= 13-6= 12-4= 11-8= 12-5= 17-9= 14-8= 15-9= 17-8= 11-7= 13-5= 14-9= 12-8= 13-7= 14-5= 15-7= 18-9= 11-9= 12-9= 12-7= 11-3= 20以内进位加法口算（1）9+2= 8+6= 4+7= 8+8= 7+6= 9+8= 7+9= 4+9= 6+8= 9+9= 2+9= 9+4= 8+9= 3+8= 6+5= 4+8= 7+5= 5+8= 6+7= 7+4= 9+6= 3+9= 5+6= 8+5= 5+7= 6+6= 7+7= 9+5= 9+3= 7+8= 5+9= 8+3= 6+9= 8+7= 8+4= 9+7= 7+5= 5+8= 6+7= 7+4= 页眉内容8+9= 3+8= 6+5= 4+8= 6+8= 9+9= 2+9= 9+4= 20以内进位加法口算（2）6+8= 9+9= 2+9= 9+4= 5+7= 6+6= 7+7= 9+5= 8+9= 3+8= 6+5= 4+8= 9+2= 8+6= 4+7= 8+8= 9+3= 7+8= 5+9= 8+3= 7+5= 5+8= 6+7= 7+4= 9+6= 3+9= 5+6= 8+5= 7+6= 9+8= 7+9= 4+9= 6+9= 8+7= 8+4= 9+7= 7+5= 5+8= 6+7= 7+4= 9+2= 8+6= 4+7= 8+8= 9+3= 7+8= 5+9= 8+3= 20以内进位加法口算（3）7+6= 9+8= 7+9= 4+9= 9+2= 8+6= 4+7= 8+8= 9+6= 3+9= 5+6= 8+5= 7+5= 5+8= 6+7= 7+4= 6+8= 9+9= 2+9= 9+4= 9+3= 7+8= 5+9= 8+3= 6+9= 8+7= 8+4= 9+7= 8+9= 3+8= 6+5= 4+8= 5+7= 6+6= 7+7= 9+5= 9+3= 7+8= 5+9= 8+3= 6+8= 9+9= 2+9= 9+4= 9+2= 8+6= 4+7= 8+8= 页眉内容20以内进位加法口算（4）6+9= 8+7= 8+4= 9+7= 9+2= 8+6= 4+7= 8+8= 5+7= 6+6= 7+7= 9+5= 9+3= 7+8= 5+9= 8+3= 6+8= 9+9= 2+9= 9+4= 7+5= 5+8= 6+7= 7+4= 9+6= 3+9= 5+6= 8+5= 7+6= 9+8= 7+9= 4+9= 8+9= 3+8= 6+5= 4+8= 9+3= 7+8= 5+9= 8+3= 7+5= 5+8= 6+7= 7+4= 6+8= 9+9= 2+9= 9+4= 20以内进位加法口算（5）7+6= 9+8= 7+9= 4+9= 9+2= 8+6= 4+7= 8+8= 6+8= 9+9= 2+9= 9+4= 8+9= 3+8= 6+5= 4+8= 9+3= 7+8= 5+9= 8+3= 7+5= 5+8= 6+7= 7+4= 9+6= 3+9= 5+6= 8+5= 5+7= 6+6= 7+7= 9+5= 6+9= 8+7= 8+4= 9+7= 7+6= 9+8= 7+9= 4+9= 9+6= 3+9= 5+6= 8+5= 8+9= 3+8= 6+5= 4+8= 20以内进位加法口算（6）6+8= 9+9= 2+9= 9+4= 页眉内容9+2= 8+6= 4+7= 8+8= 7+6= 9+8= 7+9= 4+9= 9+3= 7+8= 5+9= 8+3= 8+7= 8+4= 6+9= 9+7= 8+9= 3+8= 6+5= 4+8= 7+5= 5+8= 6+7= 7+4= 9+6= 3+9= 5+6= 8+5= 5+7= 6+6= 7+7= 9+5= 8+7= 8+4= 6+9= 9+7= 7+5= 5+8= 6+7= 7+4= 9+3= 7+8= 5+9= 8+3= 20以内进位加法口算（7）7+6= 9+8= 7+9= 4+9= 6+9= 8+7= 8+4= 9+7= 5+7= 6+6= 7+7= 9+5= 8+9= 3+8= 6+5= 4+8= 9+2= 8+6= 4+7= 8+8= 6+8= 9+9= 2+9= 9+4= 9+3= 7+8= 5+9= 8+3= 7+5= 5+8= 6+7= 7+4= 9+6= 3+9= 5+6= 8+5= 9+2= 8+6= 4+7= 8+8= 7+5= 5+8= 6+7= 7+4= 8+9= 3+8= 6+5= 4+8= 20以内进位加法口算（8）9+2= 8+6= 4+7= 8+8= 6+8= 9+9= 2+9= 9+4= 7+5= 5+8= 6+7= 7+4=