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Rationale Zahlen Kopfrechnen

Authored by R. Diesing

Mathematics

7th Grade

Used 54+ times

Rationale Zahlen Kopfrechnen
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berechne:   25  13 =-\ 25\ -\ 13\ =  

  38-\ 38  

 3838  

 1212  

 12-12  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berechne:
 3,5  (3) =3,5\ \cdot\ \left(-3\right)\ =  

 10,5-10,5  

 10,510,5  

 9,59,5  

 9,5-9,5  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Der Betrag einer Zahl ist ...

ihre entgegengesetze Zahl.

ihr Abstand von Null.

immer Null.

ihr Abstand von 1.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berechne:
 (2)3\left(-2\right)^3  

 88  

 44  

 4-4  

 8-8  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berechne:
 25  33 =25\ -\ 33\ =  

  8-\ 8  

 88  

 5858  

 58-58  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berechne:
 25 ÷ (5) =-25\ \div\ \left(-5\right)\ =  

 55  

 5-5  

 33  

 3-3  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stimmt das?
 0,2 <6\left|0,2\right|\ <\left|-6\right|  

Ja

Nein

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