加法和减法(二)整理与复习
一年级 数学
口算卡片
彩笔
小红
20以内数 的进位加 法……
芳芳
20以内数的退 位减法……
亮亮
发现了计 算是有规 律的……
用小棒、 小方块, 边摆边 算……
明明
12-7 =5
13-9 =4
11-7 =4
12-8 =4
11-8 =3
丽丽
亮亮
明明
11-6
11-9
11-7
11-5
11-8
12-7
12-8
12-9
13-9
13
-9
11-8
12-9
11-9
11-7
11-6
11-5
12-8
12-7
芳芳
11-9 12-9 13-9
11-6
11-5
11-8 12-8
11-7 12-7
军军
丁丁
亮亮
明明
13-9
11-7
11-8
12-9
11-9
11-6
11-5
12-8
12-7
明明
13-9
11-7
11-8
12-9
11-9
11-6
11-5
12-8
12-7
3
4
5
2
6
{2D5ABB26-0587-4C30-8999-92F81FD0307C}11-9
11-8
11-7
11-6
11-5
12-9
12-8
12-7
13-9
活动建议
把表格补充完整。
把发现的规律涂一涂、圈一圈、 写一写。
小红
小红
军军
11-9 =2
11-8 =3
11-7 =4
11-6 =5
11-5 =6
11-4 =7
11-3 =8
11-2 =9
丽丽
丽丽
=2
=3
=4
=5
=6
=7
=8
=9
{2D5ABB26-0587-4C30-8999-92F81FD0307C}
{2D5ABB26-0587-4C30-8999-92F81FD0307C}
{2D5ABB26-0587-4C30-8999-92F81FD0307C}
{2D5ABB26-0587-4C30-8999-92F81FD0307C}
{2D5ABB26-0587-4C30-8999-92F81FD0307C}
亮亮
亮亮
11-6 =5
12-7 =5
13-8 =5
14-9 =5
{2D5ABB26-0587-4C30-8999-92F81FD0307C}11-6
12-7
13-8
14-9
5
5
5
5
芳芳
丽丽
11-9
11-8 12-9
11-7 12-8 13-9
11-6 12-7 13-8 14-9
11-5 12-6 13-7 14-8 15-9
11-4 12-5 13-6 14-7 15-8 16-9
11-3 12-4 13-5 14-6 15-7 16-8 17-9
11-2 12-3 13-4 14-5 15-6 16-7 17-8 18-9
退位减法表
{2D5ABB26-0587-4C30-8999-92F81FD0307C}11-9
11-8
12-9
11-7
12-8
13-9
11-6
12-7
13-8
14-9
11-5
12-6
13-7
14-8
15-9
11-4
12-5
13-6
14-7
15-8
16-9
11-3
12-4
13-5
14-6
15-7
16-8
17-9
11-2
12-3
13-4
14-5
15-6
16-7
17-8
18-9
退位减法表
{2D5ABB26-0587-4C30-8999-92F81FD0307C}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{2D5ABB26-0587-4C30-8999-92F81FD0307C}11-9
11-8
12-9
11-7
12-8
13-9
11-6
12-7
13-8
14-9
11-5
12-6
13-7
14-8
15-9
11-4
12-5
13-6
14-7
15-8
16-9
11-3
12-4
13-5
14-6
15-7
16-8
17-9
11-2
12-3
13-4
14-5
15-6
16-7
17-8
18-9
退位减法表
{2D5ABB26-0587-4C30-8999-92F81FD0307C}11-9
11-8
12-9
11-7
12-8
13-9
11-6
12-7
13-8
14-9
11-5
12-6
13-7
14-8
15-9
11-4
12-5
13-6
14-7
15-8
16-9
11-3
12-4
13-5
14-6
15-7
16-8
17-9
11-2
12-3
13-4
14-5
15-6
16-7
17-8
18-9
退位减法表
{2D5ABB26-0587-4C30-8999-92F81FD0307C}11-6
12-7
13-8
14-9
把你在减法表里发现的规律和家人说一说吧!
再 见