# The Real Number System

## High School Practice

This quiz illustrates the range of difficulty expected by the following Common Core State (CCS) standards:

 Question Common Core Standard # 1 N.RN.2 2 N.RN.2 3 N.RN.2 4 N.RN.2 5 N.RN.2 6 N.RN.2 7 N.RN.3 8 N.RN.3
indicates a modeling standard.
+ indicates a college and career ready standard.

All questions of this quiz illustrate the difficulty of the high school N.RN standards required for all students, including the college and career ready students.

Questions 1 and 2: Find if the numbers in the table below are rational or irrational:

 Irrational Rational

Questions 3 and 4: If a is a negative integer, are the numbers in the table below rational?

 Yes No

Question 5: Without using a calculator, select the correct answer:

Question 6: Without using a calculator, select the correct answer:

Question 7: Given the numbers and , select the correct answer:

Question 8: The sum of an irrational number and another irrational number is:

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