Introduction to Positive and Negative Numbers

Tell whether each statement is True or False.

The value of point C is less than -1.

• True

• False

An elevation of –2 m is higher than an elevation of –10 m. An elevation of –10 m is lower than an elevation of –1 m. Which set of inequalities correctly expresses these relationships?

What number is the opposite of the opposite of −6.7?

What number is the opposite of the opposite of −2.5?

What number is the opposite of the opposite of 16.4?

What number is the opposite of the opposite of 5.27?