Positive and Negative Numbers on Number Line

Tell whether each statement is True or False.

The value of point C is less than -1.

• True

• False

An elevation of –4 m is higher than an elevation of –8 m. An elevation of –8 m is lower than an elevation of –6 m. Which set of inequalities correctly expresses these relationships?

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?