Math 6+ Unit 10 - Lessons 1-4

Is a temperature of -11 degrees warmer or colder than a temperature of -15 degrees?

• warmer

• colder

Is an elevation of -10 feet closer or farther from the surface of the ocean than an elevation of -8 feet?

• closer

• farther

It was 8 degrees at nightfall. The temperature dropped 10 degrees by midnight. What was the temperature at midnight?

• 10 degrees

• 2 degrees

• -2 degrees

• 18 degrees

A diver is 25 feet below sea level. He then swims up 15 feet toward the surface, what is his elevation?

• -40 feet

• 40 feet

• -10 feet

• 10 feet

A whale is at the surface of the ocean to breathe. What is the whale's elevation?

The whale swims down 300 feet to feed. What is the whale's elevation now?

The whale swims down 150 feet more. What is the whale's elevation now?

Plot the numbers on the number line.

-1.5, 3/2, -3/2, -4/3

Plot the numbers on the number line.

-1.5, the opposite of -2, the opposite of 0.5, -2

Determine if the temperature would be represented with a positive or negative number.

5 degrees above zero

• positive

• negative