Quiz about Numeri decimali

Question 1

4,5=

Accepted Answer

45/10

Answer

45/9

Answer

45/1000

Answer

45/100

Question 2

Quale numero decimale rappresenta cinque centesimi?

Accepted Answer

0,05

Answer

500

Answer

0,5

Answer

0,500

Question 3

3/100 in numero decimale

Accepted Answer

0,03

Answer

0,3

Answer

0,003

Answer

3,0

Question 4

confronta i numeri

46 ___46.3

Accepted Answer

<

Answer

>

Answer

=

Answer

+

Question 5

QUAL E' IL NUMERO DECIMALE CHE CORRISPONDE A $$\frac{9}{10}$$ ?

Accepted Answer

0.9

Answer

9.0

Answer

0.09

Answer

9.9

Question 6

1,25 corrisponde a...

Accepted Answer

125/100

Answer

125/10

Answer

125/1000

Question 7

Sara versa 4/10 di succo di limone in una caraffa di 1l e il resto la riempie con acqua. Quanta acqua ha versato?

Accepted Answer

0,6

Answer

0,06

Answer

0,006

Question 8

$$0,\overline{\ 4}$$ corrisponde a

Accepted Answer

$$\frac{\ 4}{9}$$

Answer

$$\frac{\ 4}{10}$$

Answer

$$\frac{\ 9}{4}$$

Answer

$$\frac{\ 4-1}{9}$$

Question 9

$$1,1\overline{\ 6}\ \ $$ corrisponde alla frazione

Accepted Answer

$$\frac{\ 116-11}{90}$$

Answer

$$\frac{\ 116-6}{90}$$

Answer

$$\frac{\ 116-11}{09}$$

Answer

$$\frac{\ 116-11}{99}$$

Answer

$$\frac{\ 116-6}{99}$$

Question 10

$$5,\ \overline{\ 12}$$ corrisponde a

Accepted Answer

$$\frac{\ 512-5}{99}$$

Answer

$$\frac{\ 512-12}{99}$$

Answer

$$\frac{\ 512-5}{90}$$

Answer

$$\frac{\ 512-5}{90}$$

Question 11

$$3,6$$ corrisponde a

Accepted Answer

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

Answer

$$\frac{\ 36}{100}$$

Answer

$$\frac{\ 3}{10}$$

Answer

$$\frac{\ 36-3}{10}$$

Question 12

Risolvi $$0,08\overline{\ 3}\ \cdot\ 1,\overline{\ 3}$$

Accepted Answer

$$\frac{\ 1}{9}$$

Answer

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

Answer

$$\frac{\ 2}{9}$$

Question 13

Risolvi $$0,25+7,3\cdot\frac{\ 5}{73}-0,5$$

Accepted Answer

$$\frac{\ 1}{4}$$

Answer

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

Answer

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

Question 14

$$\left(1,\overline{\ 3}\right)^2$$ =

Accepted Answer

$$\frac{\ 16}{9}$$

Answer

$$\frac{\ 4}{9}$$

Answer

$$\frac{\ 15}{9}$$

Question 15

Risolvi $$0,4\overline{\ 6}\ :\ 1,\overline{\ 6}$$

Accepted Answer

$$\frac{\ 7}{25}$$

Answer

$$\frac{\ 1}{25}$$

Answer

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

Question 16

$$2,361$$ corrisponde a

Accepted Answer

$$\frac{\ 2361}{1000}$$

Answer

$$\frac{\ 2361}{10}$$

Answer

$$\frac{\ 2361}{100}$$

Answer

nessuna delle precedenti

Question 17

0,5 corrisponde a

Accepted Answer

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

Answer

$$\frac{\ 1}{4}$$

Answer

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

Answer

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

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