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Números racionais

Authored by Ana Isabel Cavaco

Mathematics

5th Grade

Used 7+ times

Números racionais
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8 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Considera a seguinte fração:

 2510\frac{25}{10}  
A fração irredutível correspondente é:

 25\frac{2}{5}  

 52\frac{5}{2}  

 54\frac{5}{4}  

 210\frac{2}{10}  

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 2352\frac{3}{5}   A fração correspondente a este numeral misto é:

 85\frac{8}{5}  

 105\frac{10}{5}  

 135\frac{13}{5}  

 115\frac{11}{5}  

3.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

Assinala as afirmações verdadeiras:

35>1\frac{3}{5}>1

1117<1\frac{11}{17}<1

1515=1\frac{15}{15}=1

2322<1\frac{23}{22}<1

4.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Assinala as afirmações verdadeiras:

1117<1113\frac{11}{17}<\frac{11}{13}

2320>2520\frac{23}{20}>\frac{25}{20}

213>532\frac{1}{3}>\frac{5}{3}

535=2855\frac{3}{5}=\frac{28}{5}

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

O ponto A assinalado na reta diz respeito ao número:

25\frac{2}{5}

34\frac{3}{4}

35\frac{3}{5}

12\frac{1}{2}

6.

FILL IN THE BLANK QUESTION

10 sec • 1 pt

O Zero é o elemento neutro da :

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 25 de 30 berlindes sa~o:\frac{2}{5}\ de\ 30\ berlindes\ são:  

12

24

6

18

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