The Real Number System

Presentation

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Mathematics

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8th Grade

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Practice Problem

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Medium

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CCSS

7.NS.A.2D, 8.NS.A.1

Standards-aligned

Zachary Brown

Used 138+ times

FREE Resource

8 Slides • 3 Questions

The Real Number System

Learning Target

I can classify numbers using The Real Number System.

$\sqrt{51}$

Imperfect Square, resulting in an Irrational Number.

The Real Number System

Irrational Numbers are just one grouping part of a larger classification known as....

Number System

Natural Numbers (Counting): 1, 2, 3....
Whole Numbers: 0, 1, 2, 3, (includes zero)
Integers: -2, -1, 0, 1, 2 (Whole numbers and opposites)
Rational Numbers: fractions, repeating, and terminating decimals
$-0.25,\ 0,\frac{1}{3},\ 2$
Irrational Numbers: nonterminating/non-repeating decimals. $\pi,\ 6.743098...,\ \sqrt{79}$

Multiple Choice

Is the number. 0.64646464... rational or irrational?

Irrational because it is nonterminating.

Rational because it is repeating.

Irrational because it is an imperfect square.

Rational because it terminates.

Multiple Choice

Is the number 3.74165738... rational or irrational?

Irrational because it is nonrepeating/nonterminating.

Rational because it is a decimal.

Irrational because it is terminating.

Rational because it repeats.

Multiple Choice

The number 9, classifies as all of the following groups except which one?

Natural

Whole

Irrational

Real

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The Real Number System

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