− 3 8 × 10 = \frac{-3}{8}\times10= 8 − 3 × 1 0 =

− 30 8 \frac{-30}{8} 8 − 3 0

− 30 80 \frac{-30}{80} 8 0 − 3 0

− 3 80 \frac{-3}{80} 8 0 − 3

Calculer les 4 7 \frac{4}{7} 7 4 de 35 revient à effectuer :

4 7 × 35 \frac{4}{7}\times35 7 4 × 3 5

4 7 ÷ 35 \frac{4}{7}\div35 7 4 ÷ 3 5

Quelle est la fraction inverse de 4 3 \frac{4}{3} 3 4 ?

− 1.3333 -1.3333 − 1 . 3 3 3 3

Quelle est la fraction inverse de − 6 13 -\frac{6}{13} − 1 3 6 ?

− 13 6 -\frac{13}{6} − 6 1 3

− 0.4615 -0.4615 − 0 . 4 6 1 5

4 9 ÷ − 6 11 = \frac{4}{9}\div\frac{-6}{11}= 9 4 ÷ 1 1 − 6 =

4 9 × 11 − 6 \frac{4}{9}\times\frac{11}{-6} 9 4 × − 6 1 1

9 4 × − 11 6 \frac{9}{4}\times\frac{-11}{6} 4 9 × 6 − 1 1

4 9 × 11 6 \frac{4}{9}\times\frac{11}{6} 9 4 × 6 1 1

9 4 × − 6 11 \frac{9}{4}\times\frac{-6}{11} 4 9 × 1 1 − 6

7 3 ÷ 4 5 = \frac{7}{3}\div\frac{4}{5}\ = 3 7 ÷ 5 4 =

7 3 × 5 4 \frac{7}{3}\times\frac{5}{4} 3 7 × 4 5

7 3 × 4 5 \frac{7}{3}\times\frac{4}{5} 3 7 × 5 4

4 5 × 3 7 \frac{4}{5}\times\frac{3}{7} 5 4 × 7 3

3 7 × 5 4 \frac{3}{7}\times\frac{5}{4} 7 3 × 4 5

Je dois vider une bouteille de 1 Litre dans des bouteilles de 1 2 \frac{1}{2} 2 1 Litre. A quelle opération correspond cette action?

1 ÷ 1 2 = 2 1\div\frac{1}{2}=2 1 ÷ 2 1 = 2

1 × 1 2 = 2 1\times\frac{1}{2}=2 1 × 2 1 = 2

Je dois vider une bouteille de 1 Litre dans des bouteilles de 1 4 \frac{1}{4} 4 1 Litre. A quelle opération correspond cette action?

1 ÷ 1 4 = 4 1\div\frac{1}{4}=4 1 ÷ 4 1 = 4

1 × 1 4 = 4 1\times\frac{1}{4}=4 1 × 4 1 = 4

Quizz 4e - Inverse et divisions de fractions

Authored by Loïc Aubugeau

Mathematics

8th Grade

Used 43+ times

$Quizz 4e - Inverse et divisions de fractions$

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\frac{4}{3}\times\frac{1}{3}\ =\ ...$

$\frac{4}{9}$

$\frac{4}{3}$

$\frac{5}{3}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\frac{-3}{8}\times10=$

$\frac{-30}{80}$

$\frac{-3}{80}$

$\frac{-30}{8}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculer les $\frac{4}{7}$ de 35 revient à effectuer :

$\frac{4}{7}$

$\frac{4}{7}\div35$

$\frac{4}{7}\times35$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

L'inverse du nombre 5 est :

\frac{5}{1}

$\frac{1}{5}$

$-5$

$-\frac{1}{5}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

L'inverse du nombre 8 est :

$-\ \frac{1}{8}$

$\frac{1}{8}$

$-\ 8$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

L'inverse de $-2$ est :

$2$

$\frac{1}{-2}$

$\frac{1}{2}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle est la fraction inverse de $\frac{4}{3}$ ?

$-\frac{3}{4}$

$-1.3333$

$-\frac{4}{3}$

$\frac{3}{4}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle est la fraction inverse de $-\frac{6}{13}$ ?

$\frac{6}{13}$

$-\frac{13}{6}$

$\frac{13}{6}$

$-0.4615$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

L'inverse de $\frac{4}{5}$ est :

$-0,8$

$-\frac{4}{5}$

$1,2$

$\frac{5}{4}$

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Quizz 4e - Inverse et divisions de fractions

43×13 = ...\frac{4}{3}\times\frac{1}{3}\ =\ ...34​×31​ = ...

−38×10=\frac{-3}{8}\times10=8−3​×10=

Calculer les 47\frac{4}{7}74​ de 35 revient à effectuer :

L'inverse du nombre 5 est :

L'inverse du nombre 8 est :

L'inverse de −2-2−2 est :

Quelle est la fraction inverse de 43\frac{4}{3}34​ ?

Quelle est la fraction inverse de −613-\frac{6}{13}−136​ ?

L'inverse de 45\frac{4}{5}54​ est :

Diviser par un nombre revient à :

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$\frac{4}{3}\times\frac{1}{3}\ =\ ...$

$\frac{-3}{8}\times10=$

Calculer les $\frac{4}{7}$ de 35 revient à effectuer :

L'inverse de $-2$ est :

Quelle est la fraction inverse de $\frac{4}{3}$ ?

Quelle est la fraction inverse de $-\frac{6}{13}$ ?

L'inverse de $\frac{4}{5}$ est :