Math Review Real Number System

How would 5/9 be classified?

• rational and real

• whole and integer

• only real

• only irrational

A repeating decimal or decimal that terminates is called a 

• Natural Number

• Irrational Number

• Rational Number

• Whole Number

What is true about irrational numbers?

• They are terminating decimals.

• They are non-repeating decimals and the decimal does not terminate.

• They are fractions.

• They are natural numbers.

Which of the following statements is always true?

• All integers are whole numbers

• all rational numbers are integers

• some whole numbers are not rational numbers

• all whole numbers are integers

Which of the following best defines irrational numbers?

• numbers that can be written as a fraction or decimal that either terminates or continues forever in a repeating pattern

• numbers that make sense

• numbers that go on forever and ever with out a repeating pattern and cannot be written as a fraction

• fractions

• A

• B

• C

• D

Which statement is true about irrational numbers?

• Some irrational numbers are natural numbers.

• Irrational numbers include decimals with a repeating pattern.

• The square root of every non-perfect square will be an irrational number.

• Irrational numbers will never be real numbers.

​ Negative numbers are ​ (a)   rational numbers, because a fractional part ​ (b)   allowed in that group of real numbers.​

• is

• is not

• sometimes

• always

• never

Are irrational numbers real numbers?

• Always

• Sometimes

• Never