一年级下册数学课件-1.7 20以内的退位减法整理复习苏教版 (共24张PPT)
文档属性
| 名称 | 一年级下册数学课件-1.7 20以内的退位减法整理复习苏教版 (共24张PPT) |  | |
| 格式 | zip | ||
| 文件大小 | 6.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 苏教版 | ||
| 科目 | 数学 | ||
| 更新时间 | 2020-06-04 18:57:04 | ||
图片预览
文档简介
(共24张PPT)
20以内的退位减法复习
14
-
6
11-
8
14
-
7
17
-
8
14
-
9
11
-
6
13
-
6
12-3
14
-
6
17-9
13-
5
12
-
6
12
-
5
11-6
13
-
4
11-3
11-
2
11-9
11-7
11
-
6
11-
5
13
-
4
11
-
4
18
-
9
15-
6
12
-
9
13
-
8
15
-
8
16
-
8
14
-
8
11
-
8
12
-
6
12
-
4
14
-
6
16
-
8
11-8
14
-
8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
20以内退位减法表
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
2
3
4
5
6
7
8
9
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
3
4
5
6
7
9
8
2
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
9
9
9
9
9
9
9
9
8
6
3
4
5
7
2
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
猜
一
猜
17-9=
15-8=
13-5=
14－7=
11－8
=
16－9=
11－2=
13－5=
12－3=
绿色圃中小学教育网http://www.lspjy.com
7
8
8
3
7
7
8
9
9
开火车，算一算
18个
？个
18－9
=
9（个）
12-4=8
12-8=4
写出两道减法算式
11-5
=
-
-
-
-
9
15
8
14
7
13
6
12
-
-
-
-
7
15
6
14
5
13
4
12
=
16-8
想
一
想
20以内的退位减法复习
14
-
6
11-
8
14
-
7
17
-
8
14
-
9
11
-
6
13
-
6
12-3
14
-
6
17-9
13-
5
12
-
6
12
-
5
11-6
13
-
4
11-3
11-
2
11-9
11-7
11
-
6
11-
5
13
-
4
11
-
4
18
-
9
15-
6
12
-
9
13
-
8
15
-
8
16
-
8
14
-
8
11
-
8
12
-
6
12
-
4
14
-
6
16
-
8
11-8
14
-
8
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
20以内退位减法表
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
2
3
4
5
6
7
8
9
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
3
4
5
6
7
9
8
2
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
9
9
9
9
9
9
9
9
8
6
3
4
5
7
2
11-9
12-9
13-9
14-9
15-9
16-9
17-9
18-9
11-8
12-8
13-8
14-8
15-8
16-8
17-8
11-7
12-7
13-7
14-7
15-7
16-7
11-6
12-6
11-5
11-4
11-3
11-2
13-6
14-6
15-6
12-5
13-5
14-5
12-4
13-4
12-3
猜
一
猜
17-9=
15-8=
13-5=
14－7=
11－8
=
16－9=
11－2=
13－5=
12－3=
绿色圃中小学教育网http://www.lspjy.com
7
8
8
3
7
7
8
9
9
开火车，算一算
18个
？个
18－9
=
9（个）
12-4=8
12-8=4
写出两道减法算式
11-5
=
-
-
-
-
9
15
8
14
7
13
6
12
-
-
-
-
7
15
6
14
5
13
4
12
=
16-8
想
一
想