Tientallen plus tientallen tot aan het tiental

Erbijsommen

Oefening 1
1.	12 + 18 =
2.	53 + 27 =
3.	27 + 73 =
4.	15 + 45 =
5.	32 + 48 =
6.	48 + 52 =
7.	26 + 14 =
8.	21 + 29 =
9.	23 + 67 =
10.	28 + 62 =

Oefening 2
1.	57 + 43 =
2.	86 + 14 =
3.	47 + 23 =
4.	22 + 78 =
5.	64 + 36 =
6.	43 + 47 =
7.	16 + 64 =
8.	27 + 13 =
9.	12 + 58 =
10.	66 + 34 =

Oefening 3
1.	77 + 23 =
2.	78 + 12 =
3.	86 + 14 =
4.	58 + 32 =
5.	88 + 12 =
6.	67 + 33 =
7.	12 + 48 =
8.	22 + 58 =
9.	57 + 13 =
10.	67 + 23 =

Oefening 4
1.	41 + 29 =
2.	77 + 23 =
3.	68 + 22 =
4.	28 + 72 =
5.	26 + 14 =
6.	85 + 15 =
7.	81 + 19 =
8.	38 + 32 =
9.	28 + 12 =
10.	45 + 35 =

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	12 + 18 =	30
2.	53 + 27 =	80
3.	27 + 73 =	100
4.	15 + 45 =	60
5.	32 + 48 =	80
6.	48 + 52 =	100
7.	26 + 14 =	40
8.	21 + 29 =	50
9.	23 + 67 =	90
10.	28 + 62 =	90

Oefening 2
1.	57 + 43 =	100
2.	86 + 14 =	100
3.	47 + 23 =	70
4.	22 + 78 =	100
5.	64 + 36 =	100
6.	43 + 47 =	90
7.	16 + 64 =	80
8.	27 + 13 =	40
9.	12 + 58 =	70
10.	66 + 34 =	100

Oefening 3
1.	77 + 23 =	100
2.	78 + 12 =	90
3.	86 + 14 =	100
4.	58 + 32 =	90
5.	88 + 12 =	100
6.	67 + 33 =	100
7.	12 + 48 =	60
8.	22 + 58 =	80
9.	57 + 13 =	70
10.	67 + 23 =	90

Oefening 4
1.	41 + 29 =	70
2.	77 + 23 =	100
3.	68 + 22 =	90
4.	28 + 72 =	100
5.	26 + 14 =	40
6.	85 + 15 =	100
7.	81 + 19 =	100
8.	38 + 32 =	70
9.	28 + 12 =	40
10.	45 + 35 =	80