1 2 3 × = 36 − = 0 Welches Zeichen steht für welche Zahl? = = = = = = = = = = = = = a = = x = e = k = = = = = = = = = = = a) + = 36 − = 0 b) − = 36 + = 44 c) d) + = 36 − = 24 e) + = 36 − = 36 = 12 = 38 = 50 = 25 = 27 = 30 = 21 = 24 = 40 a) a) 0, 4, 8, 12, 16, , 24, 28, 32, , 40, 44, 48, , 56, 60, b) 0, 5, 10, a, 20, 25, x, 35, 40, e, 50, 55, k, 65 c) 6, 12, 10, 16, 14, , 18, 24, , , 26, b) c) = 90 AH 56 Mit Zahlen knobeln 1, 2 Gleiches Symbol bedeutet gleiche Zahl. Lösungen finden und notieren. 3 Platzhaltersymbol in arithmetischen Reihen auflösen. Nur zu Prüfzwecken – Eigentum des Verlags öbv
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