(共19张PPT)
得数是10的加法及相应的减法
1
9
4
10
7
10
2
10
下一步
9 + 1 =
下一步
1 + 9 =
9 + 1 = 10
10 - 1 =
下一步
1 + 9 = 10
10 - 9 =
8 + 2 =
下一步
2 + =
8 + 2 = 10
10 - 2 =
下一步
2 + 8 = 10
10 - =
7 + 3 =
下一步
+ =
7 + 3 = 10
10 - 3 =
下一步
3 + 7 = 10
- =
6 + =
下一步
+ =
6 + 4 = 10
10 - =
下一步
4 + 6 = 10
- =
5 + 5 =
10 - 5 =
下一步
做一做
1.找朋友
做一做
2.
退 出
10 -
=
10 -
=
谢谢聆听