沪教版一年级上:2.4 减法 课件(24张PPT)

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名称 沪教版一年级上:2.4 减法 课件(24张PPT)
格式 ppt
文件大小 873.5KB
资源类型 教案
版本资源 沪教版
科目 数学
更新时间 2020-07-15 17:53:14

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减 法
用“原来有几人,走掉几人,现在还剩几人”来说
乘车游戏:
乘车游戏:
10
乘车游戏:
10
10 5 5
乘车游戏:
乘车游戏:
5
乘车游戏:
5
5-5=0
我是口算王:
5 - 4=
9 - 2=
6 - 3=
8 - 6=
10 - 1=
7 - 2=
8 - 3=
6 - 6=
1
9
7
3
2
0
5
5
1
7-□=3
5-□=3
6-□=3
4
3
2
4
□-4=1
□-2=3
□-3=4
5
5
7
10 – 5 =
7 – = 5
– 1 =6
9 – = 9
– 4 = 5
6 – =
?里填几
10 – 5 = 5
7 – = 5
– 1 =6
9 – = 9
– 4 = 5
6 – =
?里填几
10 – 5 =
7 – 2 = 5
– 1 =6
9 – = 9
– 4 = 5
6 – =
5
?里填几
10 – 5 =
7 – = 5
7 – 1 =6
9 – = 9
– 4 = 5
6 – =
2
5
?里填几
10 – 5 =
7 – = 5
– 1 =6
9 – 0 = 9
– 4 = 5
6 – =
5
2
7
?里填几
10 – 5 =
7 – = 5
– 1 =6
9 – = 9
9 – 4 = 5
6 – =
0
2
7
5
?里填几
10 – 5 =
7 – = 5
– 1 =6
9 – = 9
– 4 = 5
6 – =
0
2
9
7
5
?里填几