SUBSET OF REAL NUMBERS

1. What kind of number does have elements … , −3, −2, −1, 0, 1, 2, 3, … ?

• A. irrational numbers

• B. integers

• C. natural numbers

• D. whole numbers

2. Which number have a subset of zero and natural numbers?

• A. counting numbers

• B. imaginary numbers

• C. real numbers

• D. whole numbers

3. What subset of real number contains non-repeating, non-terminating decimals?

• A. imaginary numbers

• B. irrational numbers

• C. rational numbers

• D. whole numbers

5. Xandra’s average is 94.61 which is rounded to 95, the rounded number can be classified as the numbers below except what number?

• A. imaginary number

• B. natural number

• C. rational number

• D. whole number

6. Which can be classified as irrational number?

•  $A.\ \ 23.\overline{23}$  

•  $B.\ -\sqrt{81}$  

•  $C.\ \ \frac{\pi+2}{\pi+2}$  

•  $D.\ \ \sqrt{2}$  

Tags

CCSS.8.NS.A.1

7. Which is always true from the statements below?

• A. Irrational numbers are integers.

• B. Real numbers are rational numbers.

• C. Decimals are rational number.

• D. Natural numbers are real numbers.