免费下载教研课《大班数学:数学闯关》ppt课件(幼儿园大班科学)8
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数学闯关
第一关
分解组成
10
2
8
15
4
( )
7
5
2
18
2
( )
8
3
5
20
5
( )
9
5
4
11
4
( )
11
16
15
7
12
5
7
14
1
( )
7
3
4
17
4
( )
8
6
2
8
2
( )
9
2
7
9
7
( )
13
13
6
2
第二关
口算小火车
15+9 =
17+3 =
10+10=
16+9 =
14+9 =
24
20
20
25
25
1
25-3=
30-20=
35-4=
90-20=
32-2=
22
10
31
70
30
2
12+4 =
19+5 =
13+7 =
20+4 =
12+2 =
16
26
20
24
14
3
16 + 1 =
12 + 2 =
15+5 =
17+9 =
14+4=
17
14
20
26
18
4
13 + 1 =
2 + 14 =
1 + 5 =
6 + 2 =
7 + 1 =
14
16
6
8
8
5
2 + 2 =
4 + 1 =
3 + 2 =
2 + 6 =
7 + 1 =
4
5
5
8
8
6
5 + 1 =
3 + 3 =
4 + 2 =
3 + 1 =
2 + 3 =
6
6
6
4
5
7
3 + 2 =
4 + 1 =
1 + 3 =
2 + 4 =
6 + 2 =
5
5
4
6
8
第三关
找出朋友
4
3+5
4+2
1+4
2+5
5+2
5+3
2+4
4+1
3
2
1
4
3+5
4+2
1+4
2+5
5+2
5+3
2+4
4+1
3
2
1
4
3+5
4+2
1+4
2+5
5+2
5+3
2+4
4+1
3
2
1
4
3+5
4+2
1+4
2+5
5+2
5+3
2+4
4+1
3
2
1
4
3+5
4+2
1+4
2+5
5+2
5+3
2+4
4+1
3
2
1
4
3+5
4+2
1+4
2+5
5+2
5+3
2+4
4+1
3
2
1
互 换 法
6+4=
4+5=
3+5=
6+5=
5+7=
5+6=
4+6=
7+5=
互 换 法
5+4=
5+3=
9
8
10
11
12
8
9
11
12
10
第四关
看谁算得快
8
1 + 5 =
3 + 3 =
4 + 2 =
2 + 3 =
3 + 1 =
6
6
6
5
4
9
3 + 3 =
2 + 3 =
5 + 1 =
6 + 2 =
1 + 4 =
6
5
6
8
5
10
2 + 6 =
3 + 2 =
1 + 5 =
4 + 2 =
3 + 4 =
8
5
6
6
7