Tientallen/eenheden plus tientallen

Optellen
Oefening 1
1. 62 + 10 =
 
2. 77 + 10 =
 
3. 18 + 60 =
 
4. 88 + 10 =
 
5. 26 + 60 =
 
6. 18 + 30 =
 
7. 78 + 20 =
 
8. 26 + 40 =
 
9. 37 + 50 =
 
10. 36 + 10 =
 
Oefening 2
1. 54 + 30 =
 
2. 38 + 10 =
 
3. 35 + 50 =
 
4. 86 + 10 =
 
5. 65 + 30 =
 
6. 48 + 40 =
 
7. 33 + 60 =
 
8. 34 + 40 =
 
9. 65 + 20 =
 
10. 61 + 10 =
 
Oefening 3
1. 46 + 30 =
 
2. 82 + 10 =
 
3. 15 + 30 =
 
4. 75 + 20 =
 
5. 15 + 20 =
 
6. 35 + 30 =
 
7. 15 + 80 =
 
8. 85 + 10 =
 
9. 58 + 30 =
 
10. 74 + 20 =
 
Oefening 4
1. 55 + 30 =
 
2. 36 + 20 =
 
3. 12 + 70 =
 
4. 82 + 20 =
 
5. 36 + 30 =
 
6. 74 + 20 =
 
7. 75 + 20 =
 
8. 77 + 20 =
 
9. 12 + 10 =
 
10. 21 + 40 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Optellen
Oefening 1
1. 62 + 10 =
2. 77 + 10 =
3. 18 + 60 =
4. 88 + 10 =
5. 26 + 60 =
6. 18 + 30 =
7. 78 + 20 =
8. 26 + 40 =
9. 37 + 50 =
10. 36 + 10 =
Oefening 2
1. 54 + 30 =
2. 38 + 10 =
3. 35 + 50 =
4. 86 + 10 =
5. 65 + 30 =
6. 48 + 40 =
7. 33 + 60 =
8. 34 + 40 =
9. 65 + 20 =
10. 61 + 10 =
Oefening 3
1. 46 + 30 =
2. 82 + 10 =
3. 15 + 30 =
4. 75 + 20 =
5. 15 + 20 =
6. 35 + 30 =
7. 15 + 80 =
8. 85 + 10 =
9. 58 + 30 =
10. 74 + 20 =
Oefening 4
1. 55 + 30 =
2. 36 + 20 =
3. 12 + 70 =
4. 82 + 20 =
5. 36 + 30 =
6. 74 + 20 =
7. 75 + 20 =
8. 77 + 20 =
9. 12 + 10 =
10. 21 + 40 =