Adding and Subtracting Rational Numbers

Front

When adding decimals with the same sign you...

Back

add and keep the sign.

Front

When adding decimals with different signs you...

Back

subtract and take the sign of the larger number.

Front

What is the value of 18 - 23.2?

Back

-5.2

Front

Calculate: 4/9 + (-2/3)

Back

-2/9

Front

What is -23.4 - 3.4?

Back

-26.8

Front

Define rational numbers.

Back

Rational numbers are numbers that can be expressed as a fraction of two integers.

Front

What is the sum of 1/2 and -1/4?

Back

1/4

Front

How do you subtract a negative number?

Back

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

Front

What is the result of -5 + 3?

Back

-2

Front

What is the value of -7.5 + 2.5?

Back

-5.0