Subtraction with Rational Numbers

Front

What is the additive inverse (opposite) of -21?

Back

21

Front

What is the result of -21.52 - (-8.86)?

Back

-12.66

Front

When adding two numbers with different signs, you _______ the absolute values and keep the sign of the ______ absolute value.

Back

subtract, greater

Front

What is the additive inverse (opposite) of 21?

Back

-21

Front

A penguin dove 3.5 meters below sea level. His kids are sitting 0.5 meters above sea level. What is the difference in elevation?

Back

4 meters

Front

Define rational numbers.

Back

Numbers that can be expressed as a fraction of two integers.

Front

What is the absolute value of -15?

Back

15

Front

How do you subtract a negative number from a positive number?

Back

You add the absolute value of the negative number.

Front

What is the result of 5 - (-3)?

Back

8

Front

Explain how to find the difference between two rational numbers.

Back

Subtract the smaller number from the larger number.