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Rechenregeln

Authored by Michael Glauch

Mathematics

5th - 7th Grade

Used 3+ times

Rechenregeln
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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Wie lautet die Regel?

Strich- vor Punktrechnung.

Erst + und -

Danach ⋅\cdot  und :

Punkt- vor Strichrechnung.

Erst ⋅\cdot  und :

Danach + und -

Egal.

Das Ergebnis ist das gleiche,

egal was ich zuerst rechne.

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

18 : 3+318\ :\ 3+3  

18 : 3 +318\ :\ 3\ +3  

=6+3=6+3  

=9=9  

 

18 : 3 +318\ :\ 3\ +3   

=18 : 6=18\ :\ 6  

    =3=3  

18 : 3 +318\ :\ 3\ +3    

   =18 : 3=18\ :\ 3   

=6=6  

 

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

8+2⋅48+2\cdot4  

8+4⋅28+4\cdot2  

=12⋅2=12\cdot2  

=24=24  

 

8+2⋅48+2\cdot4   

=8+8=8+8  

    =16=16  

8+2⋅48+2\cdot4    

   =8⋅4+2=8\cdot4+2   

=32+2=32+2  

=34=34  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

7⋅3+3⋅ 37\cdot3+3\cdot\ 3  

7⋅3+3⋅37\cdot3+3\cdot3  

=7⋅6⋅3=7\cdot6\cdot3  

=42⋅3=42\cdot3  

=126=126  

 

7⋅3+3⋅37\cdot3+3\cdot3   

=7⋅6+3=7\cdot6+3  

    =42+3=42+3  

=45=45  

7⋅3+3⋅37\cdot3+3\cdot3  

=21+9=21+9    

   =30=30    

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Denke an Punkt vor Strich.

Rechne die beiden Divisionen von links nach rechts.

60−30 : 2 : 560-30\ :\ 2\ :\ 5  

60−30 : 2 : 560-30\ :\ 2\ :\ 5  

=30 : 2 : 5=30\ :\ 2\ :\ 5  

=15 : 5=15\ :\ 5  

=3=3  

60−30 : 2 : 560-30\ :\ 2\ :\ 5  

=60−15 : 5=60-15\ :\ 5  

=60−3=60-3  

=57=57  

60−30 : 2 : 560-30\ :\ 2\ :\ 5  

=30 : 2 : 5=30\ :\ 2\ :\ 5  

=30 : 10=30\ :\ 10  

=3=3  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rechne geschickt untereinander, indem du vertauschst:

13+24+713+24+7  

13+24+713+24+7  

  =13+7+24=13+7+24   

=20+24=20+24  

=44=44  

13+24+713+24+7   

=7+13+24=7+13+24  

=7+37=7+37  

=44=44  

 

13+24+713+24+7

=37+7=37+7  

=44=44   

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Rechne geschickt untereinander, indem du vertauschst:

8+4+2+68+4+2+6  

8+4+2+68+4+2+6  

  =12+2+6=12+2+6   

=14+6=14+6  

=20=20  

8+4+2+68+4+2+6   

=8+2+4+6=8+2+4+6  

=10+10=10+10  

=20=20  

 

8+4+2+68+4+2+6

=2+4+6+8=2+4+6+8  

=6+6+8=6+6+8  

=12+8=12+8  

=20=20  

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