
Desafio de Frações para 8º Ano
Authored by Sidnei Roma
Mathematics
8th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
607 espécies
1.214 espécies
1.821 espécies
3.035 espécies
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Multiplique as frações \(\frac{2}{5}\) e \(\frac{5}{6}\) e simplifique o resultado.
\(\frac{10}{30}\)
\(\frac{1}{3}\)
\(\frac{1}{2}\)
\(\frac{5}{12}\)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Adicione as frações \(\frac{3}{4}\) e \(\frac{2}{5}\).
\(\frac{23}{20}\)
\(\frac{19}{20}\)
\(\frac{29}{20}\)
\(\frac{7}{9}\)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Subtraia a fração \(\frac{5}{6}\) de \(\frac{7}{8}\).
\(\frac{1}{24}\)
\(\frac{1}{12}\)
\(\frac{1}{8}\)
\(\frac{1}{48}\)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Multiplique as frações \(\frac{2}{3}\) e \(\frac{4}{5}\).
\(\frac{8}{15}\)
\(\frac{8}{10}\)
\(\frac{6}{15}\)
\(\frac{10}{15}\)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Divida a fração \(\frac{7}{9}\) por \(\frac{2}{3}\).
\(\frac{21}{18}\)
\(\frac{14}{27}\)
\(\frac{21}{27}\)
\(\frac{7}{6}\)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplifique a fração \(\frac{18}{24}\).
\(\frac{3}{4}\)
\(\frac{2}{3}\)
\(\frac{3}{8}\)
\(\frac{3}{6}\)
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