(共36张PPT)
沪教版一年级数学上册
学习目标:
1. 使同学们掌握与10有关的加减法。
2. 能够正确地进行计算。
5
9
6
3
1
4
7
10
2
8
10=2+(8) 1+(9)=10 10=(10)+0 (9)+1=10
10=4+(6) 3+(7)=10 10=(7)+3 (6)+4=10
10=6+(4) 5+(5)=10 10=(4)+6 (3)+7=10
10=8+(2) 7+(3)=10 10=(1)+9 (0)+10=10
6
2
6
2
+
10
=
9
+
10
=
9
+
10
=
9
1
-
8
=
10
-
8
=
10
2
=
10
+
10
=
10
+
10
0
-
=
10
4
-
6
=
10
4
+
10
=
5
+
10
=
5
5
-
7
=
10
-
7
=
10
3
-
=
10
6
-
4
=
10
6
=
8
+
10
=
8
+
10
2
-
0
=
10
-
0
=
10
10
=
+
10
3
=
7
+
10
3
-
1
=
10
-
1
=
10
9
+
10
=
2
+
10
=
2
8
2
1
3
4
2
1
3
4
7
8
6
5