Tientallen aftrekken van tientallen

Erafsommen

Oefening 1
1.	60 - 50 =
2.	80 - 10 =
3.	10 - 10 =
4.	40 - 10 =
5.	60 - 30 =
6.	20 - 20 =
7.	30 - 30 =
8.	50 - 50 =
9.	30 - 30 =
10.	50 - 40 =

Oefening 2
1.	10 - 10 =
2.	80 - 30 =
3.	50 - 50 =
4.	30 - 10 =
5.	10 - 10 =
6.	30 - 30 =
7.	10 - 10 =
8.	60 - 20 =
9.	30 - 30 =
10.	80 - 30 =

Oefening 3
1.	30 - 10 =
2.	30 - 10 =
3.	50 - 50 =
4.	70 - 40 =
5.	30 - 10 =
6.	60 - 20 =
7.	50 - 30 =
8.	50 - 50 =
9.	40 - 40 =
10.	10 - 10 =

Oefening 4
1.	40 - 10 =
2.	30 - 30 =
3.	20 - 20 =
4.	70 - 30 =
5.	20 - 20 =
6.	10 - 10 =
7.	40 - 30 =
8.	60 - 20 =
9.	50 - 50 =
10.	70 - 20 =

Tientallen aftrekken van tientallen
| ANTWOORDEN

Erafsommen

Oefening 1
1.	60 - 50 =	10
2.	80 - 10 =	70
3.	10 - 10 =	0
4.	40 - 10 =	30
5.	60 - 30 =	30
6.	20 - 20 =	0
7.	30 - 30 =	0
8.	50 - 50 =	0
9.	30 - 30 =	0
10.	50 - 40 =	10

Oefening 2
1.	10 - 10 =	0
2.	80 - 30 =	50
3.	50 - 50 =	0
4.	30 - 10 =	20
5.	10 - 10 =	0
6.	30 - 30 =	0
7.	10 - 10 =	0
8.	60 - 20 =	40
9.	30 - 30 =	0
10.	80 - 30 =	50

Oefening 3
1.	30 - 10 =	20
2.	30 - 10 =	20
3.	50 - 50 =	0
4.	70 - 40 =	30
5.	30 - 10 =	20
6.	60 - 20 =	40
7.	50 - 30 =	20
8.	50 - 50 =	0
9.	40 - 40 =	0
10.	10 - 10 =	0

Oefening 4
1.	40 - 10 =	30
2.	30 - 30 =	0
3.	20 - 20 =	0
4.	70 - 30 =	40
5.	20 - 20 =	0
6.	10 - 10 =	0
7.	40 - 30 =	10
8.	60 - 20 =	40
9.	50 - 50 =	0
10.	70 - 20 =	50