Tientallen/eenheden plus tientallen

Optellen
Oefening 1
1. 87 + 10 =
 
2. 88 + 10 =
 
3. 47 + 30 =
 
4. 13 + 10 =
 
5. 84 + 10 =
 
6. 88 + 10 =
 
7. 26 + 70 =
 
8. 82 + 20 =
 
9. 73 + 20 =
 
10. 77 + 20 =
 
Oefening 2
1. 12 + 60 =
 
2. 88 + 10 =
 
3. 75 + 10 =
 
4. 31 + 50 =
 
5. 83 + 20 =
 
6. 77 + 10 =
 
7. 84 + 10 =
 
8. 28 + 20 =
 
9. 64 + 20 =
 
10. 45 + 10 =
 
Oefening 3
1. 66 + 30 =
 
2. 24 + 70 =
 
3. 41 + 60 =
 
4. 67 + 30 =
 
5. 34 + 10 =
 
6. 55 + 20 =
 
7. 83 + 10 =
 
8. 56 + 40 =
 
9. 68 + 20 =
 
10. 74 + 20 =
 
Oefening 4
1. 65 + 20 =
 
2. 12 + 30 =
 
3. 15 + 50 =
 
4. 58 + 20 =
 
5. 66 + 20 =
 
6. 83 + 10 =
 
7. 52 + 20 =
 
8. 41 + 30 =
 
9. 66 + 20 =
 
10. 12 + 20 =
 

Tientallen/eenheden plus tientallen
| ANTWOORDEN

Optellen
Oefening 1
1. 87 + 10 =
2. 88 + 10 =
3. 47 + 30 =
4. 13 + 10 =
5. 84 + 10 =
6. 88 + 10 =
7. 26 + 70 =
8. 82 + 20 =
9. 73 + 20 =
10. 77 + 20 =
Oefening 2
1. 12 + 60 =
2. 88 + 10 =
3. 75 + 10 =
4. 31 + 50 =
5. 83 + 20 =
6. 77 + 10 =
7. 84 + 10 =
8. 28 + 20 =
9. 64 + 20 =
10. 45 + 10 =
Oefening 3
1. 66 + 30 =
2. 24 + 70 =
3. 41 + 60 =
4. 67 + 30 =
5. 34 + 10 =
6. 55 + 20 =
7. 83 + 10 =
8. 56 + 40 =
9. 68 + 20 =
10. 74 + 20 =
Oefening 4
1. 65 + 20 =
2. 12 + 30 =
3. 15 + 50 =
4. 58 + 20 =
5. 66 + 20 =
6. 83 + 10 =
7. 52 + 20 =
8. 41 + 30 =
9. 66 + 20 =
10. 12 + 20 =