Review of Positives and Negatives

Front

What is the definition of a positive number?

Back

A positive number is a number greater than zero.

Front

What is the definition of a negative number?

Back

A negative number is a number less than zero.

Front

What is the result of adding a positive number to a negative number?

Back

The result depends on the absolute values; if the positive number is larger, the result is positive, and if the negative number is larger, the result is negative.

Front

What is the result of subtracting a negative number from a positive number?

Back

Subtracting a negative number is the same as adding its absolute value.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is the difference of -96.43 - (-98.67)?

Back

2.24

Front

If Mr. Smith has an account balance of -$275.78 and deposits $539.20, what is his new balance?

Back

$263.42

Front

What is the difference in height between the top of a boat at 25 feet and the bottom of a lake at 35 feet?

Back

70 feet.

Front

Back

2.

Front

What does it mean to translate a point in geometry?

Back

To translate a point means to move it to a new location without changing its shape or orientation.