Drei Zahlen bis 20
(1) Berechne
| 16 - 8 - 3 = ___ | 17 - 6 - 7 = ___ | 11 - 5 - 5 = ___ |
| 12 - 6 - 9 = ___ | 13 - 3 - 2 = ___ | 18 - 10 - 1 = ___ |
| 8 - 2 - 7 = ___ | 4 - 1 - 2 = ___ | 20 - 1 - 4 = ___ |
| 14 - 6- 2 = ___ | 19 - 5 - 9 = ___ | 15 - 7 - 3 = ___ |
| 10 + 2 + 5 = ___ | 1 + 2 + 1 = ___ | 6 + 2 + 4 = ___ |
| 3 + 4 + 8 = ___ | 4 + 1 + 6 = ___ | 14+ 1 + 3 = ___ |
| 12 + 2 + 2 = ___ | 5 + 1 + 13 = ___ | 3+ 5 + 3 = ___ |
| 9 + 1 + 6 = ___ | 1 + 4 + 7 = ___ | 8 + 5 + 3 = ___ |
(2) Teile die Zahlen in den Kreisen in drei Additionseinheiten auf.
|
7
2
+
1
+
4
|
15
+
+
|
11
+
+
|
16
+
+
|
|||
|
17
+
+
|
14
+
+
|
19
+
+
|
18
+
+
|
(3) Fülle die Tabelle aus
| + | 3 + 1 | 2 +5 | 4 +4 | 5 +2 | 1 +3 |
| 6 | 10 | ||||
| 8 | |||||
| 7 | |||||
| 9 | |||||
| 10 |