Day 3 Virtual Learning: 8.NS.2: The Real Number System

Front

What is an irrational number?

Back

Front

What is a rational number?

Back

Front

What is a whole number?

Back

Whole numbers are non-negative integers, including zero. They are the set {0, 1, 2, 3, ...}.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. The set of integers is {..., -3, -2, -1, 0, 1, 2, 3, ...}.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions of integers, while irrational numbers cannot be expressed as such. Rational numbers have decimal representations that either terminate or repeat, whereas irrational numbers have non-terminating, non-repeating decimals.

Front

What is the square root of 45?

Back

Front

What is the value of -0.775?

Back

Front

What is a natural number?

Back

Natural numbers are the set of positive integers starting from 1. They are {1, 2, 3, ...}.

Front

What is the relationship between integers and rational numbers?

Back

Front

What does it mean for a number to be between -2 and -3?

Back

A number between -2 and -3 is a negative number that is greater than -3 and less than -2. For example, -2.5 is between -2 and -3.