Tientallen plus tientallen tot aan het tiental

Optellen

Oefening 1
1.	31 + 29 =
2.	15 + 65 =
3.	21 + 59 =
4.	44 + 56 =
5.	43 + 57 =
6.	51 + 19 =
7.	71 + 19 =
8.	71 + 19 =
9.	38 + 52 =
10.	82 + 18 =

Oefening 2
1.	45 + 25 =
2.	67 + 23 =
3.	87 + 13 =
4.	84 + 16 =
5.	74 + 26 =
6.	16 + 64 =
7.	54 + 36 =
8.	25 + 25 =
9.	64 + 26 =
10.	71 + 29 =

Oefening 3
1.	15 + 15 =
2.	28 + 22 =
3.	43 + 27 =
4.	86 + 14 =
5.	12 + 18 =
6.	45 + 35 =
7.	88 + 12 =
8.	63 + 37 =
9.	57 + 13 =
10.	34 + 16 =

Oefening 4
1.	42 + 28 =
2.	45 + 35 =
3.	13 + 17 =
4.	31 + 19 =
5.	83 + 17 =
6.	34 + 16 =
7.	62 + 18 =
8.	23 + 77 =
9.	77 + 23 =
10.	53 + 37 =

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Optellen

Oefening 1
1.	31 + 29 =	60
2.	15 + 65 =	80
3.	21 + 59 =	80
4.	44 + 56 =	100
5.	43 + 57 =	100
6.	51 + 19 =	70
7.	71 + 19 =	90
8.	71 + 19 =	90
9.	38 + 52 =	90
10.	82 + 18 =	100

Oefening 2
1.	45 + 25 =	70
2.	67 + 23 =	90
3.	87 + 13 =	100
4.	84 + 16 =	100
5.	74 + 26 =	100
6.	16 + 64 =	80
7.	54 + 36 =	90
8.	25 + 25 =	50
9.	64 + 26 =	90
10.	71 + 29 =	100

Oefening 3
1.	15 + 15 =	30
2.	28 + 22 =	50
3.	43 + 27 =	70
4.	86 + 14 =	100
5.	12 + 18 =	30
6.	45 + 35 =	80
7.	88 + 12 =	100
8.	63 + 37 =	100
9.	57 + 13 =	70
10.	34 + 16 =	50

Oefening 4
1.	42 + 28 =	70
2.	45 + 35 =	80
3.	13 + 17 =	30
4.	31 + 19 =	50
5.	83 + 17 =	100
6.	34 + 16 =	50
7.	62 + 18 =	80
8.	23 + 77 =	100
9.	77 + 23 =	100
10.	53 + 37 =	90