Rational Numbers Review

Front

If you are at SEA LEVEL, you are at ______ on a number line.

Back

Zero

Front

What is the OPPOSITE of the OPPOSITE of 9?

Back

9

Front

-12.5 ______ 12.2

Back

<

Front

A worker in a silver mine descends 60 feet. Use an integer to represent the change in the worker's position.

Back

−60 feet

Front

Put the rational numbers in order from least to greatest: -4.2, -4 1/2, -4, 0, 4

Back

-4 1/2, -4.2, -4, 0, 4

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 -7?

Back

7

Front

How do you add two rational numbers with different signs?

Back

Subtract their absolute values and take the sign of the number with the larger absolute value.

Front

What is the result of -3 + 5?

Back

2

Front

What is the result of -8 - 4?

Back

-12