Tientallen plus tientallen tot aan het tiental

Erbijsommen

Oefening 1
1.	18 + 22 =
2.	82 + 18 =
3.	23 + 37 =
4.	71 + 29 =
5.	52 + 48 =
6.	53 + 17 =
7.	37 + 13 =
8.	78 + 22 =
9.	15 + 75 =
10.	87 + 13 =

Oefening 2
1.	83 + 17 =
2.	32 + 58 =
3.	45 + 15 =
4.	33 + 27 =
5.	43 + 37 =
6.	44 + 46 =
7.	65 + 35 =
8.	58 + 32 =
9.	62 + 28 =
10.	56 + 34 =

Oefening 3
1.	74 + 16 =
2.	51 + 19 =
3.	85 + 15 =
4.	81 + 19 =
5.	84 + 16 =
6.	37 + 53 =
7.	55 + 15 =
8.	22 + 18 =
9.	54 + 26 =
10.	82 + 18 =

Oefening 4
1.	86 + 14 =
2.	35 + 45 =
3.	64 + 36 =
4.	58 + 42 =
5.	46 + 44 =
6.	84 + 16 =
7.	63 + 27 =
8.	84 + 16 =
9.	22 + 58 =
10.	21 + 79 =

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	18 + 22 =	40
2.	82 + 18 =	100
3.	23 + 37 =	60
4.	71 + 29 =	100
5.	52 + 48 =	100
6.	53 + 17 =	70
7.	37 + 13 =	50
8.	78 + 22 =	100
9.	15 + 75 =	90
10.	87 + 13 =	100

Oefening 2
1.	83 + 17 =	100
2.	32 + 58 =	90
3.	45 + 15 =	60
4.	33 + 27 =	60
5.	43 + 37 =	80
6.	44 + 46 =	90
7.	65 + 35 =	100
8.	58 + 32 =	90
9.	62 + 28 =	90
10.	56 + 34 =	90

Oefening 3
1.	74 + 16 =	90
2.	51 + 19 =	70
3.	85 + 15 =	100
4.	81 + 19 =	100
5.	84 + 16 =	100
6.	37 + 53 =	90
7.	55 + 15 =	70
8.	22 + 18 =	40
9.	54 + 26 =	80
10.	82 + 18 =	100

Oefening 4
1.	86 + 14 =	100
2.	35 + 45 =	80
3.	64 + 36 =	100
4.	58 + 42 =	100
5.	46 + 44 =	90
6.	84 + 16 =	100
7.	63 + 27 =	90
8.	84 + 16 =	100
9.	22 + 58 =	80
10.	21 + 79 =	100