Question 1
Question
Welche Zahlenmenge passt zur Ungleichungskette?
12 ≤ x ≤ 18
Answer
-
L = {12, 13, 14, 15, 16, 17, 18 }
-
L = {13, 14, 15, 16, 17, 18 }
-
L = {12, 13, 14, 15, 16, 17}
-
L = {13, 14, 15, 16, 17}
Question 2
Question
Welche Zahlenmenge passt zur Ungleichungskette?
47 < x < 49
Answer
-
L = { 47, 48, 49 }
-
L = { 48, 49 }
-
L = { 47, 48 }
-
L = { 48 }
Question 3
Question
Schreib jeweils die ersten 5 Vielfachen auf!
V(3) = { [blank_start]3[blank_end] , [blank_start]6[blank_end] , [blank_start]9[blank_end] , [blank_start]12[blank_end] , [blank_start]15[blank_end] , ... }
V(4) = { [blank_start]4[blank_end] , [blank_start]8[blank_end] , [blank_start]12[blank_end] , [blank_start]16[blank_end] , [blank_start]20[blank_end] , ... }
V(5) = { [blank_start]5[blank_end] , [blank_start]10[blank_end] , [blank_start]15[blank_end] , [blank_start]20[blank_end] , [blank_start]25[blank_end] , ... }
Answer
-
3
-
6
-
9
-
12
-
15
-
4
-
8
-
12
-
16
-
20
-
5
-
10
-
15
-
20
-
25
Question 4
Question
Welche Aussage ist falsch?
Answer
-
Die Zahl 5 hat 2 Teiler.
-
Die Zahl 6 hat 4 Teiler.
-
Die Zahl 4 hat 2 Teiler.
-
Die Zahl 9 hat 3 Teiler.
Question 5
Question
Schreib als Zahl an:
a) 7 T 8 Z = [blank_start]7 080[blank_end]
b) 8 HT 4 ZT 5 H = [blank_start]840 500[blank_end]
c) 9 H 7 E = [blank_start]907[blank_end]
d) 8 ZT 4 T 3 H = [blank_start]84 300[blank_end]
Answer
-
7 080
-
7 800
-
7 008
-
840 500
-
804 500
-
840 050
-
907
-
970
-
790
-
84 300
-
83 400
-
84 030
Question 6
Question
Trage die richtigen Zahlen ein! Teile die Zahlen in 3-er-Gruppen ein mit einem Leerzeichen dazwischen.
Vorgänger - Zahl - Nachfolger
789 - [blank_start]790[blank_end] - [blank_start]791[blank_end]
[blank_start]998[blank_end] - 999 - [blank_start]1 000[blank_end]
[blank_start]632[blank_end] - [blank_start]633[blank_end] - 634
5 099 - [blank_start]5 100[blank_end] - [blank_start]5 101[blank_end]
Answer
-
790
-
791
-
998
-
1 000
-
632
-
633
-
5 100
-
5 101
Question 7
Question
Ordne die Zahlen der Größe nach. Beginne mit der kleinsten Zahl!
321 , 312 , 231 , 213 , 303 , 313
[blank_start]213[blank_end] < [blank_start]231[blank_end] < [blank_start]303[blank_end] < [blank_start]312[blank_end] < [blank_start]313[blank_end] < [blank_start]321[blank_end]
Question 8
Question
Runde auf die in der Klammer angegebene Einheit!
a) 17 (Z) ≈ [blank_start]20[blank_end]
b) 54 (Z) ≈ [blank_start]50[blank_end]
c) 761 (H) ≈ [blank_start]800[blank_end]
d) 949 (H) ≈ [blank_start]900[blank_end]
e) 7 804 (T) ≈ [blank_start]8 000[blank_end]
f) 9 501 (T) ≈ [blank_start]10 000[blank_end]
Answer
-
20
-
10
-
50
-
60
-
800
-
700
-
900
-
1 000
-
8 000
-
7 800
-
7 000
-
10 000
-
9 500
-
9 000
Question 9
Question
Welche Zahlen sind eingezeichnet?
Tipp: 5 , 10 , 15 , 20 , ...
Question 10
Question
Führe die folgenden Rechnungen aus:
825 - 89 = [blank_start]736[blank_end]
732 + 56 = [blank_start]788[blank_end]
80 + 70 + 40 = [blank_start]190[blank_end]
100 - 20 - 30 = [blank_start]50[blank_end]
Question 11
Question
Normale und parallele Geraden.
Answer
-
normal auf a
-
normal auf d
-
normal auf e
-
e parallel zu a
-
e parallel zu b
-
e parallel zu d
-
b parallel zu a
-
b parallel zu c
-
b parallel zu d
Question 12
Question
Ergänze die fehlenden Ziffern!
Question 13
Question
Ergänze das Zauberquadrat. Die Ziffernsumme (waagrecht, senkrecht, diagonal) ist jeweils 15.
Question 14
Question
Ermittle alle Teiler der folgenden Zahlen!
T(2) = { [blank_start]1[blank_end] , [blank_start]2[blank_end] }
T(3) = { [blank_start]1[blank_end] , [blank_start]3[blank_end] }
T(4) = { [blank_start]1[blank_end] , [blank_start]2[blank_end] , [blank_start]4[blank_end] }
T(5) = { [blank_start]1[blank_end] , [blank_start]5[blank_end] }
Question 15
Question
Ermittle alle Teiler der folgenden Zahlen!
T(6) = { [blank_start]1[blank_end] , [blank_start]2[blank_end] , [blank_start]3[blank_end] , [blank_start]6[blank_end] }
T(7) = { [blank_start]1[blank_end] , [blank_start]7[blank_end] }
T(8) = { [blank_start]1[blank_end] , [blank_start]2[blank_end] , [blank_start]4[blank_end] , [blank_start]8[blank_end] }
T(9) = { [blank_start]1[blank_end] , [blank_start]3[blank_end] , [blank_start]9[blank_end] }
Answer
-
1
-
2
-
3
-
6
-
1
-
7
-
1
-
2
-
4
-
8
-
1
-
3
-
9