Quiz about Aula 1 - Formas fracionária e decimal de um número racional –

Question 1

What is the comparison between rational numbers based on their representation on the number line in fractional form?

Accepted Answer

Rational numbers are compared by their size on the number line.

Answer

Rational numbers are compared by their denominators only.

Answer

Rational numbers are compared by their numerators only.

Answer

Rational numbers cannot be compared on the number line.

Question 2

Rational numbers can be compared in fractional and decimal forms, including positive and negative numbers, by:

Accepted Answer

All of the above methods

Answer

Converting both numbers to decimals and comparing their values

Answer

Converting both numbers to fractions with a common denominator and comparing their numerators

Answer

Using a number line to visually compare their positions

Question 3

What is the fractional form of the rational number represented as 0.6?

Accepted Answer

3/5

Answer

1/2

Answer

2/3

Answer

4/5

Question 4

Fill in the blank: The decimal form of the fraction 3/5 is ____.

Accepted Answer

0.6

Answer

0.5

Answer

0.7

Answer

0.8

Question 5

What is the decimal representation of the fraction $$\frac{1}{4}$$ on the number line?

Accepted Answer

0.25

Answer

0.5

Answer

0.75

Answer

1.0

Question 6

Fill in the blank: The fraction $$\frac{3}{5}$$ can be represented as _____ on the number line.

Accepted Answer

0.6

Answer

0.5

Answer

0.75

Answer

0.8

Question 7

Compare the rational numbers below, filling in the blanks with >, <, or =. a) $$\frac{1}{2}$$ __ $$\frac{1}{4}$$

Accepted Answer

>

Answer

<

Answer

=

Question 8

Compare the rational numbers below, filling in the blanks with >, <, or =. b) $$-\frac{5}{12}$$ __ $$-\frac{4}{9}$$

Accepted Answer

<

Answer

>

Answer

=

Question 9

Compare the rational numbers below, filling in the blanks with >, <, or =. c) $$\frac{3}{7}$$ __ $$\frac{3}{2}$$

Accepted Answer

<

Answer

=

Question 10

Compare the rational numbers below, filling in the blanks with >, <, or =. d) $$\frac{2}{7}$$ __ $$\frac{8}{7}$$

Accepted Answer

<

Answer

>

Answer

=

Question 11

Using the method of equalizing the denominator through the least common multiple (LCM), what is the LCM of 7 and 10?

Accepted Answer

70

Answer

17

Answer

77

Answer

10

Question 12

Danilo saved a larger portion of his salary each month compared to Ana because:

Accepted Answer

he had fewer expenses.

Answer

he earned more than Ana.

Answer

he was more disciplined in saving.

Answer

he had a higher salary increase.

Question 13

Convert the fraction $$\frac{1}{4}$$ to have a denominator of 180. What is the equivalent fraction?

Accepted Answer

$$\frac{45}{180}$$

Answer

$$\frac{44}{180}$$

Answer

$$\frac{46}{180}$$

Answer

$$\frac{90}{180}$$

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics