Erafsommen tot 20

Aftrekken

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

Oefening 2
1.	16	-	1	=
2.	18	-	12	=
3.	16	-	7	=
4.	14	-	7	=
5.	10	-	2	=
6.	10	-	8	=
7.	16	-	4	=
8.	20	-	19	=
9.	10	-	7	=
10.	12	-	9	=

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

Oefening 4
1.	17	-	13	=
2.	14	-	12	=
3.	5	-	1	=
4.	19	-	4	=
5.	19	-	10	=
6.	18	-	6	=
7.	20	-	17	=
8.	20	-	11	=
9.	8	-	3	=
10.	19	-	9	=

Erafsommen tot 20
| ANTWOORDEN

Aftrekken

Oefening 1
1.	18	-	10	=	8
2.	6	-	2	=	4
3.	12	-	11	=	1
4.	15	-	5	=	10
5.	15	-	1	=	14
6.	7	-	6	=	1
7.	16	-	6	=	10
8.	12	-	4	=	8
9.	20	-	7	=	13
10.	15	-	9	=	6

Oefening 2
1.	16	-	1	=	15
2.	18	-	12	=	6
3.	16	-	7	=	9
4.	14	-	7	=	7
5.	10	-	2	=	8
6.	10	-	8	=	2
7.	16	-	4	=	12
8.	20	-	19	=	1
9.	10	-	7	=	3
10.	12	-	9	=	3

Oefening 3
1.	14	-	2	=	12
2.	6	-	1	=	5
3.	5	-	3	=	2
4.	9	-	7	=	2
5.	8	-	5	=	3
6.	19	-	11	=	8
7.	17	-	17	=	0
8.	18	-	18	=	0
9.	20	-	7	=	13
10.	20	-	15	=	5

Oefening 4
1.	17	-	13	=	4
2.	14	-	12	=	2
3.	5	-	1	=	4
4.	19	-	4	=	15
5.	19	-	10	=	9
6.	18	-	6	=	12
7.	20	-	17	=	3
8.	20	-	11	=	9
9.	8	-	3	=	5
10.	19	-	9	=	10