资源简介

(共29张PPT)
11
13
11
11
17
16
10
10
10
+3=13
+1=11
+6=16
13是怎么来的？
9 + 2 =
9 + 2 =
1
1
10
11
圈一圈，算一算，说一说。
【课本89页“做一做”第1题】
9 + 8 =
10
1
7
17
9 + 3 =
1
12
2
10
9 + 4 = 13
9 + 2 = 11
9 + 8 = 17
9 + 3 = 12
1
3
10
1
1
10
1
7
10
1
2
10
9
+
+
=
13
9
+
+
=
11
9
+
+
=
17
9
+
+
=
12
12
12
15
15
18
18
9 + 1 + 2 =
9 + 3 =
9 + 1 + 5 =
9 + 6 =
9 + 1 + 8 =
9 + 9 =
10
10
10
9+
4
1.摆卡片
2.看算式，想得数，拿卡片
9+
6
9+
2
9+
9+
6
9+
2
9 + 6 =15
9 + 2 =11
9+
8
9 + 8 =17
9+
4
9 + 4 =13
9+
7
9 + 7 =16
9+
3
9 + 3 =12
9+
5
9 + 5 =14
9+
9
9 + 9 =18
9 + 2 =11
9 + 3 =12
9 + 4 =13
9 + 5 =14
9 + 6 =15
9 + 7 =16
9 + 8 =17
9 + 9 =18
9 + 2 =11
9 + 3 =12
9 + 4 =13
9 + 5 =14
9 + 6 =15
9 + 7 =16
9 + 8 =17
9 + 9 =18
9 + 2 =11
9 + 3 =12
9 + 4 =13
9 + 5 =14
9 + 6 =15
9 + 7 =16
9 + 8 =17
9 + 9 =18
2
1
3
2
4
3
5
4
6
5
7
6
8
7
9
8
凑成10
凑成10
9加几
8加几
7加几
6加几

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