Adding and Subtracting rational Numbers

Front

What is the definition of absolute value?

Back

The distance of a number from zero.

Front

When adding rational numbers with the same sign, what must you do?

Back

Add together and keep the sign.

Front

Evaluate: 8 + (-25) + 16 - (-25) - 16

Back

8

Front

Rewrite the problem as addition: -5.66 - (-4.1)

Back

-5.66 + 4.1

Front

What is the result of subtracting a negative number from a positive number?

Back

It is equivalent to adding the positive value of that number.

Front

What is a rational number?

Back

A number that can be expressed as a fraction of two integers.

Front

How do you subtract rational numbers?

Back

Convert the subtraction to addition by adding the opposite.

Front

What is the sum of two negative rational numbers?

Back

The sum is negative and its absolute value is the sum of their absolute values.

Front

What happens when you add a positive rational number and a negative rational number?

Back

The result depends on the absolute values; the larger absolute value determines the sign.

Front

Evaluate: -3.5 + 2.2

Back

-1.3