
Desafio dos Números Racionais
Authored by MARLISA ALMEIDA
Mathematics
7th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Converta a fração <katex latex="\frac{3}{4}"></katex> para decimal.
0,25
0,75
1,25
1,75
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes números é maior?
<katex latex="\frac{2}{5}"></katex>
0,3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Some <katex latex="\frac{1}{2}"></katex> e <katex latex="\frac{1}{4}"></katex>.
<katex latex="\frac{2}{6}"></katex>
<katex latex="\frac{3}{4}"></katex>
<katex latex="\frac{2}{4}"></katex>
<katex latex="\frac{5}{4}"></katex>
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Subtraia <katex latex="0,6"></katex> de <katex latex="1,2"></katex>.
<katex latex="0,4"></katex>
<katex latex="0,6"></katex>
<katex latex="0,8"></katex>
<katex latex="1,0"></katex>
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor decimal de <katex latex="\frac{7}{8}"></katex>?
0,78
0,875
0,7
0,87
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções representa a soma correta de <katex latex="0,5 + \frac{1}{4}"></katex>?
<katex latex="0,75"></katex>
<katex latex="0,65"></katex>
<katex latex="0,8"></katex>
<katex latex="0,7"></katex>
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de <katex latex="\frac{5}{6} - \frac{1}{2}"></katex>?
<katex latex="\frac{1}{3}"></katex>
<katex latex="\frac{1}{6}"></katex>
<katex latex="\frac{2}{3}"></katex>
<katex latex="\frac{1}{2}"></katex>
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