SWUN Unit 2 Review

The deep sea diver rested at 75 feet below sea level. How is the depth’s absolute value represented?

• |75|

• |+75|

• —75 feet

• |—75 feet|

Which point is the opposite of –30°?

• H

• I

• J

• K

What is the electric charge of an atom with 8 electrons and 8 protons?

• -8

• +8

• 0

• +16

Hank’s bank balance is —$74.25. Choose all the statements that correctly describe Hank’s bank balance.

• Hank has more than $75.

• Hank owes money.

• If Hank received a credit of $74.25, he would have a zero balance.

• Hank has an overall credit.

What is the value of –(–2.4)?

• -2.4

• 0

• 2.4

• 4.8

The table shows the temperature in the desert during a 24 hour period. Which temperature is the warmest?

• —5°F

• 60°F

• 34°F

• —54°F

The temperature in the blizzard yesterday was 5°F below zero. Today the temperature is 2° below zero. Which statement correctly compares the temperatures?

• 5°F > 2°F

• —5°F < —2°F

• —2°F < —5°F

• —5°F > 2°F

It was 6 degrees on Thursday, and Theo believed it was the warmest day of the week so far. Below are temperatures for other days of the week. Choose all the temperatures that are warmer than 6 degrees.

• 10 degrees

• 8 degrees

• —2 degrees

• None of these temperatures are warmer than 6 degrees.

Which list shows the absolute values in order from greatest to least?

• |100|, |14|, |—6|,

  |—25|

• |—25|, |—6|, |14|, |100|

• |—6|, |14|, |—25|, |100|

• |100|, |—25|, |14|,

  |—6|

Match the following

Are these values less than 0, equal to 0, or greater than 0? For each value, choose Less than 0, Equal to 0, or Greater than 0 to show your answer.

• Greater than 0

• |0|

• Less than 0

• owe $0.50

• Greater than 0

• Equal to 0

• 3.5 units above 0