Tientallen aftrekken van tientallen

Aftrekken

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

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

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

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

Tientallen aftrekken van tientallen
| ANTWOORDEN

Aftrekken

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

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

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

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