Erafsommen tot 20

Aftrekken

Oefening 1
1.	13	-	4	=
2.	19	-	12	=
3.	8	-	1	=
4.	20	-	4	=
5.	2	-	1	=
6.	18	-	3	=
7.	11	-	10	=
8.	19	-	15	=
9.	5	-	3	=
10.	12	-	11	=

Oefening 2
1.	18	-	11	=
2.	13	-	2	=
3.	13	-	2	=
4.	17	-	12	=
5.	11	-	10	=
6.	17	-	7	=
7.	14	-	4	=
8.	11	-	1	=
9.	5	-	1	=
10.	13	-	1	=

Oefening 3
1.	10	-	6	=
2.	13	-	10	=
3.	13	-	9	=
4.	15	-	13	=
5.	18	-	9	=
6.	20	-	11	=
7.	10	-	6	=
8.	19	-	15	=
9.	18	-	17	=
10.	12	-	9	=

Oefening 4
1.	20	-	6	=
2.	14	-	6	=
3.	3	-	2	=
4.	19	-	8	=
5.	17	-	15	=
6.	6	-	4	=
7.	15	-	6	=
8.	19	-	19	=
9.	18	-	14	=
10.	11	-	6	=

Erafsommen tot 20
| ANTWOORDEN

Aftrekken

Oefening 1
1.	13	-	4	=	9
2.	19	-	12	=	7
3.	8	-	1	=	7
4.	20	-	4	=	16
5.	2	-	1	=	1
6.	18	-	3	=	15
7.	11	-	10	=	1
8.	19	-	15	=	4
9.	5	-	3	=	2
10.	12	-	11	=	1

Oefening 2
1.	18	-	11	=	7
2.	13	-	2	=	11
3.	13	-	2	=	11
4.	17	-	12	=	5
5.	11	-	10	=	1
6.	17	-	7	=	10
7.	14	-	4	=	10
8.	11	-	1	=	10
9.	5	-	1	=	4
10.	13	-	1	=	12

Oefening 3
1.	10	-	6	=	4
2.	13	-	10	=	3
3.	13	-	9	=	4
4.	15	-	13	=	2
5.	18	-	9	=	9
6.	20	-	11	=	9
7.	10	-	6	=	4
8.	19	-	15	=	4
9.	18	-	17	=	1
10.	12	-	9	=	3

Oefening 4
1.	20	-	6	=	14
2.	14	-	6	=	8
3.	3	-	2	=	1
4.	19	-	8	=	11
5.	17	-	15	=	2
6.	6	-	4	=	2
7.	15	-	6	=	9
8.	19	-	19	=	0
9.	18	-	14	=	4
10.	11	-	6	=	5