Erafsommen tot 30

Aftrekken

Oefening 1
1.	20	-	7	=
2.	3	-	3	=
3.	25	-	15	=
4.	28	-	18	=
5.	17	-	7	=
6.	23	-	22	=
7.	27	-	27	=
8.	21	-	3	=
9.	17	-	13	=
10.	10	-	6	=

Oefening 2
1.	25	-	1	=
2.	26	-	13	=
3.	18	-	13	=
4.	19	-	14	=
5.	20	-	18	=
6.	16	-	7	=
7.	14	-	2	=
8.	28	-	19	=
9.	17	-	7	=
10.	25	-	22	=

Oefening 3
1.	8	-	2	=
2.	15	-	7	=
3.	17	-	11	=
4.	24	-	5	=
5.	22	-	12	=
6.	17	-	2	=
7.	16	-	6	=
8.	22	-	17	=
9.	11	-	7	=
10.	25	-	7	=

Oefening 4
1.	28	-	21	=
2.	13	-	12	=
3.	18	-	16	=
4.	23	-	23	=
5.	19	-	1	=
6.	20	-	12	=
7.	16	-	5	=
8.	26	-	23	=
9.	28	-	4	=
10.	5	-	2	=

Erafsommen tot 30
| ANTWOORDEN

Aftrekken

Oefening 1
1.	20	-	7	=	13
2.	3	-	3	=	0
3.	25	-	15	=	10
4.	28	-	18	=	10
5.	17	-	7	=	10
6.	23	-	22	=	1
7.	27	-	27	=	0
8.	21	-	3	=	18
9.	17	-	13	=	4
10.	10	-	6	=	4

Oefening 2
1.	25	-	1	=	24
2.	26	-	13	=	13
3.	18	-	13	=	5
4.	19	-	14	=	5
5.	20	-	18	=	2
6.	16	-	7	=	9
7.	14	-	2	=	12
8.	28	-	19	=	9
9.	17	-	7	=	10
10.	25	-	22	=	3

Oefening 3
1.	8	-	2	=	6
2.	15	-	7	=	8
3.	17	-	11	=	6
4.	24	-	5	=	19
5.	22	-	12	=	10
6.	17	-	2	=	15
7.	16	-	6	=	10
8.	22	-	17	=	5
9.	11	-	7	=	4
10.	25	-	7	=	18

Oefening 4
1.	28	-	21	=	7
2.	13	-	12	=	1
3.	18	-	16	=	2
4.	23	-	23	=	0
5.	19	-	1	=	18
6.	20	-	12	=	8
7.	16	-	5	=	11
8.	26	-	23	=	3
9.	28	-	4	=	24
10.	5	-	2	=	3