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 two rational numbers with the same sign?

Back

When adding two rational numbers with the same sign, add their absolute values and keep the common sign.

Front

How do you add two rational numbers with different signs?

Back

When adding two rational numbers with different signs, subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.

Front

What is the result of (-4) + 8 - 5?

Back

-1

Front

What is the result of -13 - (-5)?

Back

-8

Front

What is the result of (-12) + 7?

Back

-5

Front

What is the result of 24 - 16?

Back

8

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the first step in solving an expression with both addition and subtraction?

Back

Perform addition and subtraction from left to right.

Front

What is the value of 11 + (-5)?

Back

6