Wir lernen Mathematik 3 | Teil A

Zuzählen – Addieren 1 3 4 a) b) c) 5 5 Addieren einstelliger Zahlen 2 Rechne geschickt! 62 27 49 19 79 43 7 6 38 19 82 37 68 74 87 34 23 54 42 32 47 36 83 25 57 46 28 65 56 41 35 64 92 57 65 27 85 54 35 41 45 73 65 65 85 99 78 86 75 47 73 72 76 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 4 8 4 9 6 8 3 7 7 4 8 5 8 9 8 4 8 9 4 8 8 9 9 7 8 9 7 7 5 9 3 4 8 6 5 4 3 6 7 6 6 6 2 6 1 3 3 7 2 9 5 5 2 + 4 = 6 Zuerst plus 3, dann noch plus 5! 6 . 2 + 4 = . + + + + + + + + + + + + = = = = = = = = = = = = 4 2 1 7 6 8 9 5 6 5 3 5 6 16 26 86 + + +... + = = = = 6 6 6 6 6 9 7 7 8 9 8 6 4 9 8 3 + + + + + + + + + + + + 6 5 5 7 9 6 8 7 9 9 6 8 49 76 58 38 65 86 + + + 4 8 6 6 7 8 3 9 5 5 6 9 d) e) f) 28 37 44 53 63 72 82 92 34 42 51 54 64 73 85 96