Master Adding and Subtracting 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 add rational numbers with different denominators?

Back

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

Front

What is the process for subtracting rational numbers?

Back

To subtract rational numbers, find a common denominator, convert each fraction, and then subtract 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. It is always non-negative.

Front

What is the value of | 5 |?

Back

5

Front

What is the value of | -5 |?

Back

5

Front

What are negative numbers?

Back

Negative numbers are numbers that are less than zero and are located to the left of zero on the number line.

Front

What are positive numbers?

Back

Positive numbers are numbers that are greater than zero and are located to the right of zero on the number line.

Front

What is the sum of -3 and 2?

Back

-1

Front

What is the difference between 4 and -2?

Back

6