Subtracting and Adding Rational Numbers

Front

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

Back

-5.66 + 4.1

Front

When adding decimals with the same sign you...

Back

add and keep the sign

Front

Calculate: (-⅚) - (⅗)

Back

-1 13/30

Front

When adding decimals with different signs you...

Back

subtract and take the sign of the larger number

Front

Calculate: -40 + 15.05

Back

-24.95

Front

What is a rational number?

Back

A number that can be expressed as a fraction a/b where a and b are integers and b ≠ 0.

Front

What is the absolute value of a number?

Back

The distance of a number from zero on the number line, always positive.

Front

How do you subtract a negative number?

Back

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

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative.

Front

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

Back

You subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.