Understanding 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

What is the difference between positive and negative integers?

Back

Positive integers are greater than zero, while negative integers are less than zero.

Front

How do you represent a rational number on a number line?

Back

To represent a rational number on a number line, locate the position that corresponds to the value of the number, dividing the line into equal parts if necessary.

Front

What does the term 'numerator' refer to in a fraction?

Back

The numerator is the top part of a fraction that indicates how many parts of the whole are being considered.

Front

What does the term 'denominator' refer to in a fraction?

Back

The denominator is the bottom part of a fraction that indicates the total number of equal parts the whole is divided into.

Front

How can you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

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Front

How do you add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.

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.

Front

How do you subtract a rational number from another?

Back

To subtract a rational number, you can add its opposite (negative) to the first number.