Rational Number Operations Review

Front

What sign do you get when multiplying/dividing numbers with different signs?

Back

Negative

Front

What is the rule for adding numbers with the SAME sign?

Back

Add their absolute value and keep their common sign.

Front

Solve: (3.5) - (-2.3)

Back

5.8

Front

If a stock starts at $37 and goes down $3, up $1, down $7, and up $4, what is the final price?

Back

$32

Front

What is the value of 3.45 - (-7.8)?

Back

11.25

Front

What is a rational number?

Back

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

Front

What is the absolute value of -5?

Back

5

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 result of multiplying two negative numbers?

Back

Positive.

Front

What is the result of dividing a positive number by a negative number?

Back

Negative.