1. 先写出商是几位数,再用竖式计算。
()位数
$509÷5=$
()位数
$241÷3=$
()位数
$628÷6=$
()位数
$690÷3=$
()位数
$751÷5=$
()位数
$950÷5=$
()位数
$509÷5=$
()位数
$241÷3=$
()位数
$628÷6=$
()位数
$690÷3=$
()位数
$751÷5=$
()位数
$950÷5=$
答案
(三)位数
$509÷5=101······4$
```
1 0 1
_______
5 |5 0 9
5
_______
0 9
5
_______
4
```
(两)位数
$241÷3=80······1$
```
8 0
_______
3 |2 4 1
2 4
_______
1
```
(三)位数
$628÷6=104······4$
```
1 0 4
_______
6 |6 2 8
6
_______
2 8
2 4
_______
4
```
(三)位数
$690÷3=230$
```
2 3 0
_______
3 |6 9 0
6
_______
9
9
_______
0
```
(三)位数
$751÷5=150······1$
```
1 5 0
_______
5 |7 5 1
5
_______
2 5
2 5
_______
1
```
(三)位数
$950÷5=190$
```
1 9 0
_______
5 |9 5 0
5
_______
4 5
4 5
_______
0
```
$509÷5=101······4$
```
1 0 1
_______
5 |5 0 9
5
_______
0 9
5
_______
4
```
(两)位数
$241÷3=80······1$
```
8 0
_______
3 |2 4 1
2 4
_______
1
```
(三)位数
$628÷6=104······4$
```
1 0 4
_______
6 |6 2 8
6
_______
2 8
2 4
_______
4
```
(三)位数
$690÷3=230$
```
2 3 0
_______
3 |6 9 0
6
_______
9
9
_______
0
```
(三)位数
$751÷5=150······1$
```
1 5 0
_______
5 |7 5 1
5
_______
2 5
2 5
_______
1
```
(三)位数
$950÷5=190$
```
1 9 0
_______
5 |9 5 0
5
_______
4 5
4 5
_______
0
```
2. 用竖式计算,打*的要验算。
658÷6=
562÷7=
842. ÷6=
680÷2=
420÷4=
902. ÷3=
658÷6=
562÷7=
842. ÷6=
680÷2=
420÷4=
902. ÷3=
答案
658÷6=109……4
```
1 0 9
_______
6 |6 5 8
6
_______
5 8
5 4
_______
4
```
562÷7=80……2
```
8 0
_______
7 |5 6 2
5 6
_______
2
```
*842÷6=140……2
```
1 4 0
_______
6 |8 4 2
6
_______
2 4
2 4
_______
2
```
验算:
```
1 4 0
× 6
_______
8 4 0
+ 2
_______
8 4 2
```
680÷2=340
```
3 4 0
_______
2 |6 8 0
6
_______
8
8
_______
0
```
420÷4=105
```
1 0 5
_______
4 |4 2 0
4
_______
2 0
2 0
_______
0
```
*902÷3=300……2
```
3 0 0
_______
3 |9 0 2
9
_______
2
```
验算:
```
3 0 0
× 3
_______
9 0 0
+ 2
_______
9 0 2
```
```
1 0 9
_______
6 |6 5 8
6
_______
5 8
5 4
_______
4
```
562÷7=80……2
```
8 0
_______
7 |5 6 2
5 6
_______
2
```
*842÷6=140……2
```
1 4 0
_______
6 |8 4 2
6
_______
2 4
2 4
_______
2
```
验算:
```
1 4 0
× 6
_______
8 4 0
+ 2
_______
8 4 2
```
680÷2=340
```
3 4 0
_______
2 |6 8 0
6
_______
8
8
_______
0
```
420÷4=105
```
1 0 5
_______
4 |4 2 0
4
_______
2 0
2 0
_______
0
```
*902÷3=300……2
```
3 0 0
_______
3 |9 0 2
9
_______
2
```
验算:
```
3 0 0
× 3
_______
9 0 0
+ 2
_______
9 0 2
```
3. 将算式前的序号填入合适的圈里。
① $403÷5$ ② $780÷6$ ③ $836÷4$ ④ $627÷3$
⑤ $642÷6$ ⑥ $758÷7$ ⑦ $643÷4$ ⑧ $563÷8$

商中间有0 商末尾有0
① $403÷5$ ② $780÷6$ ③ $836÷4$ ④ $627÷3$
⑤ $642÷6$ ⑥ $758÷7$ ⑦ $643÷4$ ⑧ $563÷8$
商中间有0 商末尾有0
答案
商中间有0:③④⑤⑥
商末尾有0:①②⑦⑧
商末尾有0:①②⑦⑧
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