Lesson 23 Quiz - Understand Positive and Negative Numbers

Terry starts at sea level and hikes up to an elevation of 70 ft. Then he descends in the direction of his starting point to an elevation of 30 ft. Terry says the integer $$-30$$ represents his elevation at this point. Is Terry correct?

Which point represents the opposite of $$-1\frac{1}{2}$$

Sondra says that all the points on the number line represent negative numbers. Which point must be removed for Sondra’s statement to be true?

Graph $$\frac{1}{2}$$ and its opposite on the number line below.

Brett writes a number that is the same distance from $$0$$ as $$6$$ on a number line, but in the opposite direction. What number did Brett write? ​ (a)  

Part A
Graph $$-1$$ and $$2.5$$ on the number line below.

What is the opposite of $$4$$ ?