Mnożenie i dzielenie jako działania wzajemnie odwrotne.
Ćw. 1 Uzupełnij działania na grafach. Zapisz działania pod każdym grafem.
Ćw. 2 Pokoloruj tym samym kolorem działania wzajemnie odwrotne.
Ćw. 3 Pokoloruj jednakowym kolorem rysunek i odpowiadające mu działania. Oblicz.
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4 · 5 = 20
4 · 3 = 12
6 · 2 = 12
10 · 2 = 20
4 · 4 = 16
12 : 3 = 4
20 : 2 = 10
16 : 4 = 4
20 : 5 = 4
12 : 2 = 6