Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you order rational numbers?

Back

To order rational numbers, convert them to a common format (like decimals or fractions) and compare their values.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |−5| = 5.

Front

How do you represent a decrease in position using integers?

Back

A decrease in position is represented by a negative integer. For example, descending 60 feet is represented as −60.

Front

What is the decimal equivalent of 3/4?

Back

The decimal equivalent of 3/4 is 0.75.

Front

How do you compare two rational numbers?

Back

To compare two rational numbers, convert them to the same form (either both as fractions or both as decimals) and then determine which is greater or lesser.

Front

What does it mean for two numbers to be equal?

Back

Two numbers are equal if they represent the same value, such as 1.47 = |-1.47|.

Front

How do you find the greater of two fractions?

Back

To find the greater of two fractions, convert them to a common denominator or compare their decimal equivalents.

Front

What is the significance of negative numbers in real-life situations?

Back

Negative numbers represent values less than zero, such as debts, temperatures below freezing, or depths below sea level.

Front

What is the process for adding rational numbers?

Back

To add rational numbers, find a common denominator if they are fractions, or simply add the decimal values if they are in decimal form.