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Real Number System

Authored by Elana Patrizia

Mathematics

7th - 9th Grade

CCSS covered

Used 5+ times

Real Number System
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12 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following describes the set of rational numbers?

Rational numbers is the set of all numbers that can be expressed in the form a/b ("a over b"); a and b are integers and b is not equal to 0.

Rational numbers is the set of all negative and positive integers.

Rational numbers is the set of numbers that can be expressed in the form of a fraction. The denominator can be equal to 0.

Rational numbers is the set of all numbers that can be expressed in the form a/b ("a over b"); a and b are integers and b is equal to 0.

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

2.

FILL IN THE BLANK QUESTION

15 mins • 1 pt

 3721\sqrt{3721}  



Evaluate the expression.

Tags

CCSS.8.EE.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Tony copied down all of the numbers represented on the thermometer. What subset of the real number system best describes all of the numbers Tony wrote down?

Whole Numbers

Integers

Irrational Numbers

Natural Numbers

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the name for the set of numbers that includes the non-repeating, non-terminating decimals?

Irrational Numbers

Natural Numbers

Integers

Rational Numbers

Tags

CCSS.8.NS.A.1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 C=2πrC=2\pi r  
Above you see the formula for the circumference (C) of a circle, where r is the radius of the circle.  The circumference of a circle can also be described as - 

a rational number

an irrational number

a whole integer

an integer

Tags

CCSS.8.NS.A.1

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which sentence is not true about rational numbers?

25\sqrt{25} is a rational number.

π\pi is a rational number.

Integers and fractions are rational numbers.

Whole numbers are rational numbers.

7.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

 {36, 35%, 2}\left\{-\sqrt{36},\ 35\%,\ 2\right\}  

Identify EACH classification of the real number system that can describe the set of numbers shown.

Rational

Real

Integer

Whole

Irrational 

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