Números racionais

Números racionais

6th Grade

10 Qs

quiz-placeholder

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Números racionais

Números racionais

Assessment

Quiz

Mathematics

6th Grade

Hard

Created by

ana custódio

Used 13+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Dos números racionais 25 ; 3 ; 0 ; 2,8 ; 15 ; 1,7 ; 9\frac{2}{5}\ ;\ -3\ ;\ 0\ ;\ 2,8\ ;\ 15\ ;\ -1,7\ ;\ 9  
os inteiros positivos são:

 25 ; 15 ; 9\frac{2}{5}\ ;\ 15\ ;\ 9  

 0 ; 15 ; 90\ ;\ 15\ ;\ 9  

 2,8 ; 15 ; 92,8\ ;\ 15\ ;\ 9  

 15 ; 915\ ;\ 9  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Observa:

A abcissas de P e R são:

P=1,2 ; R=4P=1,2\ \ ;\ R=-4

P=1,5 ; R=1P=1,5\ \ ;\ R=-1

P=1,2 ; R=1P=1,2\ \ ;\ R=-1

P=2 ; R=1P=2\ \ ;\ R=-1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

O número 2,4-2,4   é menor que

 2,45-2,45  

 2,5-2,5  

 3-3  

 2,3-2,3  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

O valor absoluto de 19-19   é

 119-\frac{1}{19}  

 1919  

 19-19  

 20-20  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

O simétrico de  4,054,05  é

 50,450,4  

 50,4-50,4  

 5,045,04  

 4,05-4,05  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Os números
 7 ; 25 ; 0 ; 18 ; 1 ; 7,5-7\ ;\ \frac{2}{5}\ ;\ 0\ ;\ -18\ ;\ -1\ ;\ -7,5 

escrevem-se por ordem crescente do seguinte modo:

 1 ; 7 ; 7,5 ; 18 ; 0 ; 25-1\ ;\ -7\ ;\ -7,5\ ;\ -18\ ;\ 0\ ;\ \frac{2}{5}  

 25 ; 0 ; 1 ; 7 ; 7,5 ; 18\frac{2}{5}\ ;\ 0\ ;\ -1\ ;\ -7\ ;\ -7,5\ ;\ -18  

 18 ; 7,5 ; 7 ; 1 ; 0 ; 25-18\ ;\ -7,5\ ;\ -7\ ;\ -1\ ;\ 0\ ;\ \frac{2}{5}  

 0 ; 18 ; 7,5 ; 7 ; 1 ; 250\ ;\ -18\ ;\ -7,5\ ;\ -7\ ;\ -1\ ;\ \frac{2}{5}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

O valor da soma  18+(12)-18+\left(-12\right)  é

 2020  

 3030  

 30-30  

 6-6  

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