Adding & 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

What does it mean to add a negative number?

Back

Adding a negative number is the same as subtracting the absolute value of that number.

Front

Evaluate: 3 + (-5)

Back

-2

Front

What is the result of subtracting a negative number?

Back

Subtracting a negative number is the same as adding its absolute value.

Front

Evaluate: -4 - (-2)

Back

-2

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

Evaluate: -3 + (-7)

Back

-10

Front

What is the result of adding a positive number to a negative number?

Back

The result can be positive, negative, or zero, depending on the absolute values of the numbers.

Front

Evaluate: 5 + (-3)

Back

2

Front

What is the first step in evaluating an expression with multiple operations?

Back

Follow the order of operations: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).