Tientallen plus tientallen tot aan het tiental

Erbijsommen

Oefening 1
1.	15 + 65 =
2.	86 + 14 =
3.	67 + 23 =
4.	15 + 15 =
5.	32 + 58 =
6.	35 + 35 =
7.	78 + 22 =
8.	37 + 53 =
9.	28 + 12 =
10.	53 + 27 =

Oefening 2
1.	83 + 17 =
2.	41 + 59 =
3.	85 + 15 =
4.	67 + 33 =
5.	43 + 37 =
6.	46 + 34 =
7.	37 + 43 =
8.	37 + 13 =
9.	68 + 22 =
10.	12 + 38 =

Oefening 3
1.	72 + 28 =
2.	27 + 33 =
3.	26 + 44 =
4.	28 + 72 =
5.	38 + 62 =
6.	71 + 29 =
7.	24 + 76 =
8.	35 + 55 =
9.	53 + 47 =
10.	15 + 55 =

Oefening 4
1.	55 + 15 =
2.	74 + 26 =
3.	85 + 15 =
4.	52 + 18 =
5.	65 + 25 =
6.	21 + 59 =
7.	17 + 23 =
8.	28 + 12 =
9.	28 + 52 =
10.	72 + 28 =

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	15 + 65 =	80
2.	86 + 14 =	100
3.	67 + 23 =	90
4.	15 + 15 =	30
5.	32 + 58 =	90
6.	35 + 35 =	70
7.	78 + 22 =	100
8.	37 + 53 =	90
9.	28 + 12 =	40
10.	53 + 27 =	80

Oefening 2
1.	83 + 17 =	100
2.	41 + 59 =	100
3.	85 + 15 =	100
4.	67 + 33 =	100
5.	43 + 37 =	80
6.	46 + 34 =	80
7.	37 + 43 =	80
8.	37 + 13 =	50
9.	68 + 22 =	90
10.	12 + 38 =	50

Oefening 3
1.	72 + 28 =	100
2.	27 + 33 =	60
3.	26 + 44 =	70
4.	28 + 72 =	100
5.	38 + 62 =	100
6.	71 + 29 =	100
7.	24 + 76 =	100
8.	35 + 55 =	90
9.	53 + 47 =	100
10.	15 + 55 =	70

Oefening 4
1.	55 + 15 =	70
2.	74 + 26 =	100
3.	85 + 15 =	100
4.	52 + 18 =	70
5.	65 + 25 =	90
6.	21 + 59 =	80
7.	17 + 23 =	40
8.	28 + 12 =	40
9.	28 + 52 =	80
10.	72 + 28 =	100