Números racionais

Números racionais

7th Grade

10 Qs

quiz-placeholder

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Números racionais

Números racionais

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Kadu Picaza

Used 15+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Quantos números racionais existem entre -1 e -2

0

1

2

INFINITOS

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Em qual das figuras abaixo o número de bolinhas

pintadas de preto representa 1/3 do total de bolinhas?

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Seja "y "um número racional compreendido entre 1/4 e 1/2 . Qualquer que seja o valor de y, ele pertencerá ao conjunto

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Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 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  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Observe os pontos R e P na reta .
Seus valores são respectivamente:

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

6.

MULTIPLE CHOICE QUESTION

30 sec • 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

30 sec • 1 pt

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1/2 é uma fração que representa a __________ de um objeto:

Metade

Terço

Quarto

Inteiro

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