4F4 ELS NOMBRES REALS

4F4 ELS NOMBRES REALS

8th Grade

35 Qs

quiz-placeholder

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4F4 ELS NOMBRES REALS

4F4 ELS NOMBRES REALS

Assessment

Quiz

Mathematics

8th Grade

Hard

CCSS
7.NS.A.3

Standards-aligned

Created by

Pablo Valtierra

Used 3+ times

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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5,666... és un nombre...

Enter

Racional

Irracional

Natural

Cap dels anteriors

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1,01001... és un nombre...

Enter

Racional

Decimal periòdic pur

Natural

Cap dels anteriors

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5\sqrt{5}  és un nombre...

Racional 

Enter

Irracional

Natural

Arrelcional

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula els errors absolut i relatiu al si aproximem  el nombre 2,666...  a  2,6 

 EA=1,6 ; er=0,4%E_A=1,6\ ;\ e_r=0,4\%  

 EA=3 ; er=1,5%E_A=3\ ;\ e_r=1,5\%  

 EA=0,0666 ; er=0,0205%E_A=0,0666\ldots\ ;\ e_r=0,0205\%  

 EA=1,7 ; er=0,005%E_A=-1,7\ ;\ e_r=0,005\%  

 EA=0,3 ; er=0,004%E_A=-0,3\ ;\ e_r=0,004\%  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula els errors absolut i relatiu quan arrodonim a les centèsimes 2,64572,6457\ldots   

 EA=0,43 ; er=1,6%E_A=0,43\ ;\ e_r=1,6\%  

 EA=0,0043 ; er=0,16%E_A=0,0043\ ;\ e_r=0,16\%  

 EA=0,043 ; er=0,16%E_A=0,043\ ;\ e_r=0,16\%  

No es pot calcular perquè dóna negatiu

 EA=0,0021; er=0,016%E_A=0,0021;\ e_r=0,016\%  

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Quins dels següents nombres és decimal periòdic mixte?

 2.52.5 

325.528325.\overline{528}

7.356787.3\overline{5678}

9.2549.254

 3.45656753.4565675\ldots  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

La solució de 2-|- 8|+|7-9| és...

12

-4

-8

8

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