Erafsommen tot 30

Aftrekken

Oefening 1
1.	10	-	10	=
2.	11	-	11	=
3.	28	-	5	=
4.	21	-	19	=
5.	7	-	3	=
6.	19	-	4	=
7.	28	-	15	=
8.	22	-	10	=
9.	16	-	15	=
10.	15	-	2	=

Oefening 2
1.	30	-	2	=
2.	20	-	8	=
3.	28	-	18	=
4.	20	-	19	=
5.	7	-	6	=
6.	13	-	7	=
7.	26	-	3	=
8.	24	-	2	=
9.	27	-	2	=
10.	10	-	1	=

Oefening 3
1.	12	-	3	=
2.	11	-	4	=
3.	11	-	10	=
4.	25	-	5	=
5.	21	-	8	=
6.	20	-	19	=
7.	20	-	2	=
8.	24	-	16	=
9.	11	-	9	=
10.	28	-	18	=

Oefening 4
1.	28	-	14	=
2.	29	-	15	=
3.	24	-	17	=
4.	25	-	16	=
5.	22	-	21	=
6.	19	-	15	=
7.	30	-	24	=
8.	11	-	1	=
9.	25	-	13	=
10.	15	-	6	=

Erafsommen tot 30
| ANTWOORDEN

Aftrekken

Oefening 1
1.	10	-	10	=	0
2.	11	-	11	=	0
3.	28	-	5	=	23
4.	21	-	19	=	2
5.	7	-	3	=	4
6.	19	-	4	=	15
7.	28	-	15	=	13
8.	22	-	10	=	12
9.	16	-	15	=	1
10.	15	-	2	=	13

Oefening 2
1.	30	-	2	=	28
2.	20	-	8	=	12
3.	28	-	18	=	10
4.	20	-	19	=	1
5.	7	-	6	=	1
6.	13	-	7	=	6
7.	26	-	3	=	23
8.	24	-	2	=	22
9.	27	-	2	=	25
10.	10	-	1	=	9

Oefening 3
1.	12	-	3	=	9
2.	11	-	4	=	7
3.	11	-	10	=	1
4.	25	-	5	=	20
5.	21	-	8	=	13
6.	20	-	19	=	1
7.	20	-	2	=	18
8.	24	-	16	=	8
9.	11	-	9	=	2
10.	28	-	18	=	10

Oefening 4
1.	28	-	14	=	14
2.	29	-	15	=	14
3.	24	-	17	=	7
4.	25	-	16	=	9
5.	22	-	21	=	1
6.	19	-	15	=	4
7.	30	-	24	=	6
8.	11	-	1	=	10
9.	25	-	13	=	12
10.	15	-	6	=	9