一年级下册数学课件-整理和复习（一）人教版（42页PPT）

整理和复习（一）
小学一年级 数学

12－9＝
3
14－7＝
16－8＝
13－4＝
11－6＝
12－8＝
7
9
5
4
8
口算比赛
破十法
想加算减法
10－8＝2
2＋2＝4
因为 4＋ 8 ＝12
所以 12－8＝4
……
20以内的退位减法
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
13-6
14-6
15-6
11-5
12-5
13-5
14-5
11-4
12-4
13-4
11-3
12-3
11-2
明明
把这些20以内退位减法的算式整理一下。
兰兰
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
13-6
14-6
15-6
11-5
12-5
13-5
14-5
11-4
12-4
13-4
11-3
12-3
11-2
这些算式的被减数都是11。
兰兰
11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
兰兰
可以按减数从大到小的顺序把这些算式排成一行。
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
13-6
14-6
15-6
11-5
12-5
13-5
14-5
11-4
12-4
13-4
11-3
12-3
11-2
明明
12-9
13-9
15-9
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
13-6
14-6
15-6
11-5
12-5
13-5
14-5
11-4
12-4
13-4
11-3
12-3
11-2
11-9
14-9
16-9
这些算式的减数都是9。
明明
明明
可以按被减数从小到大的顺序把这些算式排成一列。
12-9
13-9
15-9
17-9
18-9
14-9
16-9
11-9
可以把算式整理在表格里。
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
数学书24页
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
我是这样整理的
兰兰
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
我是这样整理的
兰兰
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
我是这样整理的
兰兰
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
我是这样整理的
兰兰
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
我是这样整理的
兰兰
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
17-8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
我是这样整理的
兰兰
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9

{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9

{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9

{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9

{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9

{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
8
我是这样整理的
明明
8
8
8
8
8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
8
12-
我是这样整理的
明明
13-
14-
15-
16-
17-
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
17-8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
-7
我是这样整理的
明明
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
17-8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
-7
-6
我是这样整理的
明明
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
17-8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
-7
-6
-5
我是这样整理的
明明
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
17-8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
-7
-6
-5
-4
我是这样整理的
明明
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
17-8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
我是这样整理的
明明
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
17-8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
这一行算式的结果有什么规律？
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9=
11-8=
11-7=
11-6=
11-5=
11-4=
11-3=
11-2=
2
3
4
5
6
7
8
9
+1
+1
+1
+1
+1
+1
+1
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9=
11-8=
11-7=
11-6=
11-5=
11-4=
11-3=
11-2=
2
3
4
5
6
7
8
9
+1
+1
+1
+1
+1
+1
+1
-1
-1
-1
-1
-1
-1
-1
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9
11-8
11-7
11-6
11-5
11-4
11-3
11-2
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}12-9
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}13-9
13-8
13-7
13-6
13-5
13-4
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}14-9
14-8
14-7
14-6
14-5
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}15-9
15-8
15-7
15-6
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}16-9
16-8
16-7
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}17-9
17-8
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}18-9
-8
12
12
12
12
12
12
-7
-6
-5
-4
-3
任选一列算一算，结果有什么规律？
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9=
12-9=
13-9=
14-9=
15-9=
16-9=
17-9=
18-9=
2
3
4
5
6
7
8
9
+1
+1
+1
+1
+1
+1
+1
兰兰
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}11-9=
12-9=
13-9=
14-9=
15-9=
16-9=
17-9=
18-9=
2
3
4
5
6
7
8
9
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
兰兰
？个
11个
（个）
=
11
6
5
-
11个
？个
13支
？支
（支）
=
13
-
4
9
彩粉笔
今天我收了7棵白菜，14棵卷心菜。
（1）卷心菜比白菜多几棵？
白菜
（棵）
=
14
-
7
7
（2）白菜比卷心菜少几棵？
（棵）
=
14
-
7
7
卷心菜和白菜同样多的7棵
卷心菜比白菜多的
卷心菜
小丽得了12朵。
作业评比
小林
小丽
小东
小丽比小林多得了几朵？
（朵）
=
12
-
9
3
小丽比小林多得了几朵？
小林
小丽得了12朵。
口答：小丽比小林多得了3朵。
我们一共折了14只纸船，其中黄色的有6只。
我折了8只。
小月折了几只？
我们一共折了14只纸船，其中黄色的有6只。
我折了8只。
（只）
=
14
-
8
6
小月折了几只？
小军
小月
我们一共折了14只纸船，其中黄色的有6只。
我折了8只。
小月
小军
白色小船有几只？
我们一共折了14只纸船，其中黄色的有6只。
（只）
=
14
-
6
8
下面是育英学校今年植树的棵数
16棵
9棵
5棵
多多少棵？
比
（棵）
=
16
9
7
-
明明
再 见