Comparing Real Numbers

Front

What is a real number?

Back

A real number is any number that can be found on the number line, including both rational and irrational numbers.

Front

What is the square root of a number?

Back

The square root of a number x is a value that, when multiplied by itself, gives x. For example, √4 = 2.

Front

How do you compare two real numbers?

Back

To compare two real numbers, determine which number is greater, lesser, or if they are equal by analyzing their positions on the number line.

Front

What does it mean to order numbers from least to greatest?

Back

Ordering numbers from least to greatest means arranging them in ascending order, starting with the smallest number and ending with the largest.

Front

What is the value of √121?

Back

The value of √121 is 11.

Front

How do you represent a number as a percentage?

Back

To represent a number as a percentage, divide the number by the total and multiply by 100. For example, 43% means 43 out of 100.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as a simple fraction.

Front

How do you find the least number in a set?

Back

To find the least number in a set, compare all the numbers and identify the smallest one.

Front

What is the value of √27?

Back

The value of √27 is approximately 5.2.

Front

How do you use inequality symbols?

Back

Inequality symbols (<, >, ≤, ≥) are used to compare two values, indicating if one is less than, greater than, or equal to the other.