
Rechnen üben
Addieren,
Subtrahieren
Multiplizieren,
Dividieren
Das Einmaleins, 1x1 Tabelle
kleines Einmaleins großes Einmaleins
Quadrieren, Radizieren
Wurzel ziehen
Die Zahlen
Rechnen mit Brüchen
Ungleichnamige Brüche auf den gleichen Nenner bringen
Brüche Addieren,
Brüche Subtrahieren
Brüche Multiplizieren
Brüche Dividieren
Eigenen Aufgaben erstellen
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Zahl 99
+ Addieren 99 = 98 + 1 99 = 97 + 2 99 = 96 + 3 99 = 95 + 4 99 = 94 + 5 99 = 93 + 6 99 = 92 + 7 99 = 91 + 8 99 = 90 + 9 99 = 89 + 10 99 = 88 + 11 99 = 87 + 12 99 = 86 + 13 99 = 85 + 14 99 = 84 + 15 99 = 83 + 16 99 = 82 + 17 99 = 81 + 18 99 = 80 + 19 99 = 79 + 20 99 = 78 + 21 99 = 77 + 22 99 = 76 + 23 99 = 75 + 24 99 = 74 + 25 99 = 73 + 26 99 = 72 + 27 99 = 71 + 28 99 = 70 + 29 99 = 69 + 30 99 = 68 + 31 99 = 67 + 32 99 = 66 + 33 99 = 65 + 34 99 = 64 + 35 99 = 63 + 36 99 = 62 + 37 99 = 61 + 38 99 = 60 + 39 99 = 59 + 40 99 = 58 + 41 99 = 57 + 42 99 = 56 + 43 99 = 55 + 44 99 = 54 + 45 99 = 53 + 46 99 = 52 + 47 99 = 51 + 48 99 = 50 + 49 99 = 49 + 50 99 = 48 + 51 99 = 47 + 52 99 = 46 + 53 99 = 45 + 54 99 = 44 + 55 99 = 43 + 56 99 = 42 + 57 99 = 41 + 58 99 = 40 + 59 99 = 39 + 60 99 = 38 + 61 99 = 37 + 62 99 = 36 + 63 99 = 35 + 64 99 = 34 + 65 99 = 33 + 66 99 = 32 + 67 99 = 31 + 68 99 = 30 + 69 99 = 29 + 70 99 = 28 + 71 99 = 27 + 72 99 = 26 + 73 99 = 25 + 74 99 = 24 + 75 99 = 23 + 76 99 = 22 + 77 99 = 21 + 78 99 = 20 + 79 99 = 19 + 80 99 = 18 + 81 99 = 17 + 82 99 = 16 + 83 99 = 15 + 84 99 = 14 + 85 99 = 13 + 86 99 = 12 + 87 99 = 11 + 88 99 = 10 + 89 99 = 9 + 90 99 = 8 + 91 99 = 7 + 92 99 = 6 + 93 99 = 5 + 94 99 = 4 + 95 99 = 3 + 96 99 = 2 + 97 99 = 1 + 98 99 = 0 + 99
| | - Subtrahieren 99 - 1 = 98 99 - 2 = 97 99 - 3 = 96 99 - 4 = 95 99 - 5 = 94 99 - 6 = 93 99 - 7 = 92 99 - 8 = 91 99 - 9 = 90 99 - 10 = 89 99 - 11 = 88 99 - 12 = 87 99 - 13 = 86 99 - 14 = 85 99 - 15 = 84 99 - 16 = 83 99 - 17 = 82 99 - 18 = 81 99 - 19 = 80 99 - 20 = 79 99 - 21 = 78 99 - 22 = 77 99 - 23 = 76 99 - 24 = 75 99 - 25 = 74 99 - 26 = 73 99 - 27 = 72 99 - 28 = 71 99 - 29 = 70 99 - 30 = 69 99 - 31 = 68 99 - 32 = 67 99 - 33 = 66 99 - 34 = 65 99 - 35 = 64 99 - 36 = 63 99 - 37 = 62 99 - 38 = 61 99 - 39 = 60 99 - 40 = 59 99 - 41 = 58 99 - 42 = 57 99 - 43 = 56 99 - 44 = 55 99 - 45 = 54 99 - 46 = 53 99 - 47 = 52 99 - 48 = 51 99 - 49 = 50 99 - 50 = 49 99 - 51 = 48 99 - 52 = 47 99 - 53 = 46 99 - 54 = 45 99 - 55 = 44 99 - 56 = 43 99 - 57 = 42 99 - 58 = 41 99 - 59 = 40 99 - 60 = 39 99 - 61 = 38 99 - 62 = 37 99 - 63 = 36 99 - 64 = 35 99 - 65 = 34 99 - 66 = 33 99 - 67 = 32 99 - 68 = 31 99 - 69 = 30 99 - 70 = 29 99 - 71 = 28 99 - 72 = 27 99 - 73 = 26 99 - 74 = 25 99 - 75 = 24 99 - 76 = 23 99 - 77 = 22 99 - 78 = 21 99 - 79 = 20 99 - 80 = 19 99 - 81 = 18 99 - 82 = 17 99 - 83 = 16 99 - 84 = 15 99 - 85 = 14 99 - 86 = 13 99 - 87 = 12 99 - 88 = 11 99 - 89 = 10 99 - 90 = 9 99 - 91 = 8 99 - 92 = 7 99 - 93 = 6 99 - 94 = 5 99 - 95 = 4 99 - 96 = 3 99 - 97 = 2 99 - 98 = 1 99 - 99 = 0
| | · Multiplizieren 99 · 1 = 99 99 · 2 = 198 99 · 3 = 297 99 · 4 = 396 99 · 5 = 495 99 · 6 = 594 99 · 7 = 693 99 · 8 = 792 99 · 9 = 891 99 · 10 = 990 99 · 11 = 1089 99 · 12 = 1188 99 · 13 = 1287 99 · 14 = 1386 99 · 15 = 1485 99 · 16 = 1584 99 · 17 = 1683 99 · 18 = 1782 99 · 19 = 1881 99 · 20 = 1980 99 · 21 = 2079 99 · 22 = 2178 99 · 23 = 2277 99 · 24 = 2376 99 · 25 = 2475 99 · 26 = 2574 99 · 27 = 2673 99 · 28 = 2772 99 · 29 = 2871 99 · 30 = 2970 99 · 31 = 3069 99 · 32 = 3168 99 · 33 = 3267 99 · 34 = 3366 99 · 35 = 3465 99 · 36 = 3564 99 · 37 = 3663 99 · 38 = 3762 99 · 39 = 3861 99 · 40 = 3960 99 · 41 = 4059 99 · 42 = 4158 99 · 43 = 4257 99 · 44 = 4356 99 · 45 = 4455 99 · 46 = 4554 99 · 47 = 4653 99 · 48 = 4752 99 · 49 = 4851 99 · 50 = 4950 99 · 51 = 5049 99 · 52 = 5148 99 · 53 = 5247 99 · 54 = 5346 99 · 55 = 5445 99 · 56 = 5544 99 · 57 = 5643 99 · 58 = 5742 99 · 59 = 5841 99 · 60 = 5940 99 · 61 = 6039 99 · 62 = 6138 99 · 63 = 6237 99 · 64 = 6336 99 · 65 = 6435 99 · 66 = 6534 99 · 67 = 6633 99 · 68 = 6732 99 · 69 = 6831 99 · 70 = 6930 99 · 71 = 7029 99 · 72 = 7128 99 · 73 = 7227 99 · 74 = 7326 99 · 75 = 7425 99 · 76 = 7524 99 · 77 = 7623 99 · 78 = 7722 99 · 79 = 7821 99 · 80 = 7920 99 · 81 = 8019 99 · 82 = 8118 99 · 83 = 8217 99 · 84 = 8316 99 · 85 = 8415 99 · 86 = 8514 99 · 87 = 8613 99 · 88 = 8712 99 · 89 = 8811 99 · 90 = 8910 99 · 91 = 9009 99 · 92 = 9108 99 · 93 = 9207 99 · 94 = 9306 99 · 95 = 9405 99 · 96 = 9504 99 · 97 = 9603 99 · 98 = 9702 99 · 99 = 9801
| | / Dividieren 99 : 1 = 99 99 : 2 = 49.5 99 : 3 = 33 99 : 4 = 24.75 99 : 5 = 19.8 99 : 6 = 16.5 99 : 7 = 14.142857142857 99 : 8 = 12.375 99 : 9 = 11 99 : 10 = 9.9 99 : 11 = 9 99 : 12 = 8.25 99 : 13 = 7.6153846153846 99 : 14 = 7.0714285714286 99 : 15 = 6.6 99 : 16 = 6.1875 99 : 17 = 5.8235294117647 99 : 18 = 5.5 99 : 19 = 5.2105263157895 99 : 20 = 4.95 99 : 21 = 4.7142857142857 99 : 22 = 4.5 99 : 23 = 4.304347826087 99 : 24 = 4.125 99 : 25 = 3.96 99 : 26 = 3.8076923076923 99 : 27 = 3.6666666666667 99 : 28 = 3.5357142857143 99 : 29 = 3.4137931034483 99 : 30 = 3.3 99 : 31 = 3.1935483870968 99 : 32 = 3.09375 99 : 33 = 3 99 : 34 = 2.9117647058824 99 : 35 = 2.8285714285714 99 : 36 = 2.75 99 : 37 = 2.6756756756757 99 : 38 = 2.6052631578947 99 : 39 = 2.5384615384615 99 : 40 = 2.475 99 : 41 = 2.4146341463415 99 : 42 = 2.3571428571429 99 : 43 = 2.3023255813953 99 : 44 = 2.25 99 : 45 = 2.2 99 : 46 = 2.1521739130435 99 : 47 = 2.1063829787234 99 : 48 = 2.0625 99 : 49 = 2.0204081632653 99 : 50 = 1.98 99 : 51 = 1.9411764705882 99 : 52 = 1.9038461538462 99 : 53 = 1.8679245283019 99 : 54 = 1.8333333333333 99 : 55 = 1.8 99 : 56 = 1.7678571428571 99 : 57 = 1.7368421052632 99 : 58 = 1.7068965517241 99 : 59 = 1.6779661016949 99 : 60 = 1.65 99 : 61 = 1.6229508196721 99 : 62 = 1.5967741935484 99 : 63 = 1.5714285714286 99 : 64 = 1.546875 99 : 65 = 1.5230769230769 99 : 66 = 1.5 99 : 67 = 1.4776119402985 99 : 68 = 1.4558823529412 99 : 69 = 1.4347826086957 99 : 70 = 1.4142857142857 99 : 71 = 1.3943661971831 99 : 72 = 1.375 99 : 73 = 1.3561643835616 99 : 74 = 1.3378378378378 99 : 75 = 1.32 99 : 76 = 1.3026315789474 99 : 77 = 1.2857142857143 99 : 78 = 1.2692307692308 99 : 79 = 1.253164556962 99 : 80 = 1.2375 99 : 81 = 1.2222222222222 99 : 82 = 1.2073170731707 99 : 83 = 1.1927710843373 99 : 84 = 1.1785714285714 99 : 85 = 1.1647058823529 99 : 86 = 1.1511627906977 99 : 87 = 1.1379310344828 99 : 88 = 1.125 99 : 89 = 1.1123595505618 99 : 90 = 1.1 99 : 91 = 1.0879120879121 99 : 92 = 1.0760869565217 99 : 93 = 1.0645161290323 99 : 94 = 1.0531914893617 99 : 95 = 1.0421052631579 99 : 96 = 1.03125 99 : 97 = 1.020618556701 99 : 98 = 1.0102040816327 99 : 99 = 1
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Alles rechnen ist ein Operieren met Zahlen.
Die Rechnungsarten sind die verschiedene Operationsmögligkeiten,
denen die Zahlen unterworfen werden können. Wie steht es dabei nun aber mit den Zahlen selber
die doch erst die Voraussetzung für alles Rechnen abgeben?
Bevor man überhaupt zu rechnen beginnt, muß mann zum Erlebnis der Zahl als solcher gebracht werden.
z.B. Die Grimmschen Märchensammlungen, die erstaunlich reichhaltig von dem Vorkommen bestimmter
Zahlen zu berichten wissen, können dabei zu statten kommen.
Lerne das 1x1 mit der Zahl
         
         
Übe das 1x1 mit der Zahl
         
         
Die Zahlen
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 |
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