Erafsommen tot 20

Aftrekken

Oefening 1
1.	3	-	2	=
2.	20	-	9	=
3.	8	-	5	=
4.	17	-	11	=
5.	16	-	6	=
6.	20	-	13	=
7.	6	-	4	=
8.	17	-	12	=
9.	16	-	10	=
10.	5	-	3	=

Oefening 2
1.	10	-	7	=
2.	14	-	12	=
3.	18	-	7	=
4.	13	-	12	=
5.	3	-	2	=
6.	9	-	6	=
7.	15	-	2	=
8.	17	-	12	=
9.	17	-	16	=
10.	5	-	4	=

Oefening 3
1.	19	-	6	=
2.	15	-	1	=
3.	9	-	6	=
4.	15	-	12	=
5.	15	-	10	=
6.	16	-	15	=
7.	16	-	2	=
8.	14	-	9	=
9.	14	-	12	=
10.	17	-	16	=

Oefening 4
1.	17	-	16	=
2.	6	-	4	=
3.	18	-	1	=
4.	12	-	8	=
5.	7	-	4	=
6.	9	-	5	=
7.	10	-	1	=
8.	11	-	3	=
9.	11	-	2	=
10.	19	-	17	=

Erafsommen tot 20
| ANTWOORDEN

Aftrekken

Oefening 1
1.	3	-	2	=	1
2.	20	-	9	=	11
3.	8	-	5	=	3
4.	17	-	11	=	6
5.	16	-	6	=	10
6.	20	-	13	=	7
7.	6	-	4	=	2
8.	17	-	12	=	5
9.	16	-	10	=	6
10.	5	-	3	=	2

Oefening 2
1.	10	-	7	=	3
2.	14	-	12	=	2
3.	18	-	7	=	11
4.	13	-	12	=	1
5.	3	-	2	=	1
6.	9	-	6	=	3
7.	15	-	2	=	13
8.	17	-	12	=	5
9.	17	-	16	=	1
10.	5	-	4	=	1

Oefening 3
1.	19	-	6	=	13
2.	15	-	1	=	14
3.	9	-	6	=	3
4.	15	-	12	=	3
5.	15	-	10	=	5
6.	16	-	15	=	1
7.	16	-	2	=	14
8.	14	-	9	=	5
9.	14	-	12	=	2
10.	17	-	16	=	1

Oefening 4
1.	17	-	16	=	1
2.	6	-	4	=	2
3.	18	-	1	=	17
4.	12	-	8	=	4
5.	7	-	4	=	3
6.	9	-	5	=	4
7.	10	-	1	=	9
8.	11	-	3	=	8
9.	11	-	2	=	9
10.	19	-	17	=	2