Compare and Order Real Numbers

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating. Example: √8.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. Example: 56% = 56 ÷ 100 = 0.56.

Front

What is the process to order fractions from least to greatest?

Back

To order fractions, convert them to a common denominator or to decimal form, then compare their values.

Front

How do you find the square root of a number?

Back

The square root of a number x is a value y such that y² = x. Example: The square root of 270 is between 16 and 17.

Front

What is the decimal equivalent of ¾?

Back

The decimal equivalent of ¾ is 0.75.

Front

How do you compare two decimal numbers?

Back

To compare two decimal numbers, align the decimal points and compare digit by digit from left to right.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest positive integer that divides all the numbers in a set without leaving a remainder.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100. Example: 5/4 = (5 ÷ 4) × 100 = 125%.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction of two integers, where the denominator is not zero. Example: ¾, -1.325.

Front

How do you order mixed numbers from least to greatest?

Back

Convert mixed numbers to improper fractions or decimals, then compare and order them.