Quiz about untitled

Question 1

$$Qual\ é\ \ \ o\ \ simétrico\ de\ \frac{1}{2}\ ?$$

Accepted Answer

$$-\frac{1}{2}$$

Answer

$$2$$

Answer

$$-2$$

Answer

0

Question 2

$$\frac{3}{4}-\left(-\frac{1}{4}\right)=$$

Accepted Answer

$$1$$

Answer

$$\frac{2}{4}$$

Answer

$$-1$$

Answer

$$-\frac{2}{4}$$

Question 3

$$\left(-\frac{1}{2}\right)-\left(+\frac{2}{3}\right)$$

Accepted Answer

$$-\frac{7}{6}$$

Answer

$$-\frac{1}{2}$$

Answer

$$\frac{3}{5}$$

Answer

$$-\frac{3}{5}$$

Question 4

$$\frac{1}{9}+\left(-\frac{6}{9}\right)=$$

Accepted Answer

$$-\frac{5}{9}$$

Answer

$$\frac{5}{9}$$

Answer

$$-\frac{7}{9}$$

Answer

$$\frac{7}{9}$$

Question 5

Calcula: $$-5+\left(-\frac{3}{4}\right)$$

Accepted Answer

$$-\frac{23}{4}$$

Answer

$$-\frac{17}{4}$$

Answer

$$-\frac{8}{4}$$

Answer

$$-\frac{2}{4}$$

Question 6

Calcula:

$$-\frac{2}{5}-\ \left(-0,4\right)$$

Accepted Answer

0

Answer

$$\frac{8}{5}$$

Answer

$$\frac{4}{5}$$

Answer

$$-\frac{6}{5}$$

Question 7

Qual a forma decimal de $$\frac{5}{2}$$ ?

Accepted Answer

2,5

Answer

5,2

Answer

2,05

Answer

5,02

Question 8

$$\frac{3}{5}+\left(-\frac{4}{5}\right)=$$

Accepted Answer

$$-\frac{1}{5}$$

Answer

$$\frac{7}{5}$$

Answer

$$-\frac{7}{5}$$

Answer

$$\frac{1}{5}$$

Question 9

$$\frac{4}{3}$$ x $$\frac{5}{2}$$ =

Accepted Answer

$$\frac{20}{6}$$

Answer

$$\frac{9}{5}$$

Answer

$$\frac{6}{8}$$

Answer

$$\frac{23}{6}$$

Question 10

$$\frac{6}{3}$$ - $$\frac{5}{6}$$ =

Accepted Answer

$$\frac{7}{6}$$

Answer

$$\frac{1}{6}$$

Answer

$$\frac{1}{3}$$

Answer

$$\frac{11}{6}$$

Question 11

$$\frac{1}{6}$$ : $$\frac{3}{4}$$ =

Accepted Answer

$$\frac{4}{18}$$

Answer

$$\frac{3}{24}$$

Answer

$$\frac{18}{4}$$

Answer

$$\frac{2}{2}$$

Question 12

$$\left(-\frac{3}{5} ight) imes\frac{3}{2}$$

Accepted Answer

$$-\frac{9}{10}$$

Answer

$$\frac{9}{10}$$

Answer

$$-\frac{6}{7}$$

Answer

$$\frac{6}{7}$$

Question 13

$$\frac{1}{2} imes\left(8-10 ight)$$ =

Accepted Answer

$$-1$$

Answer

$$-9$$

Answer

$$-2$$

Answer

$$1$$

Question 14

$$\frac{4}{3}+\frac{1}{3} imes5=$$

Accepted Answer

$$3$$

Answer

$$\frac{25}{3}$$

Answer

$$1$$

Answer

$$\frac{25}{9}$$

Question 15

$$\frac{2}{3}\div7$$ =

Accepted Answer

$$\frac{2}{21}$$

Answer

$$\frac{14}{3}$$

Answer

$$\frac{21}{2}$$

Answer

$$\frac{14}{21}$$

Question 16

$$-2 imes\left(-\frac{3}{5} ight)$$ =

Accepted Answer

$$\frac{6}{5}$$

Answer

$$\frac{6}{10}$$

Answer

$$-\frac{6}{10}$$

Answer

$$-\frac{6}{5}$$

Question 17

$$\left(1-\frac{5}{6}\right)\div3=$$

Accepted Answer

$$\frac{1}{18}$$

Answer

$$\frac{5}{18}$$

Answer

$$18$$

Answer

$$\frac{18}{5}$$

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics