Tientallen plus tientallen tot aan het tiental

Erbijsommen
Oefening 1
1. 28 + 52 =
 
2. 85 + 15 =
 
3. 58 + 42 =
 
4. 13 + 67 =
 
5. 67 + 23 =
 
6. 63 + 27 =
 
7. 54 + 36 =
 
8. 32 + 68 =
 
9. 38 + 12 =
 
10. 13 + 27 =
 
Oefening 2
1. 46 + 54 =
 
2. 53 + 17 =
 
3. 17 + 73 =
 
4. 46 + 14 =
 
5. 34 + 56 =
 
6. 17 + 43 =
 
7. 67 + 13 =
 
8. 66 + 14 =
 
9. 45 + 55 =
 
10. 86 + 14 =
 
Oefening 3
1. 12 + 68 =
 
2. 45 + 35 =
 
3. 66 + 24 =
 
4. 84 + 16 =
 
5. 88 + 12 =
 
6. 38 + 42 =
 
7. 63 + 17 =
 
8. 53 + 27 =
 
9. 88 + 12 =
 
10. 35 + 65 =
 
Oefening 4
1. 84 + 16 =
 
2. 71 + 19 =
 
3. 44 + 26 =
 
4. 37 + 23 =
 
5. 43 + 27 =
 
6. 65 + 35 =
 
7. 38 + 12 =
 
8. 76 + 24 =
 
9. 21 + 69 =
 
10. 37 + 53 =
 

Tientallen plus tientallen tot aan het tiental
| ANTWOORDEN

Erbijsommen
Oefening 1
1. 28 + 52 =
2. 85 + 15 =
3. 58 + 42 =
4. 13 + 67 =
5. 67 + 23 =
6. 63 + 27 =
7. 54 + 36 =
8. 32 + 68 =
9. 38 + 12 =
10. 13 + 27 =
Oefening 2
1. 46 + 54 =
2. 53 + 17 =
3. 17 + 73 =
4. 46 + 14 =
5. 34 + 56 =
6. 17 + 43 =
7. 67 + 13 =
8. 66 + 14 =
9. 45 + 55 =
10. 86 + 14 =
Oefening 3
1. 12 + 68 =
2. 45 + 35 =
3. 66 + 24 =
4. 84 + 16 =
5. 88 + 12 =
6. 38 + 42 =
7. 63 + 17 =
8. 53 + 27 =
9. 88 + 12 =
10. 35 + 65 =
Oefening 4
1. 84 + 16 =
2. 71 + 19 =
3. 44 + 26 =
4. 37 + 23 =
5. 43 + 27 =
6. 65 + 35 =
7. 38 + 12 =
8. 76 + 24 =
9. 21 + 69 =
10. 37 + 53 =